. >> reporter: cheun kok was the oldest of the four victims. he was 83. a homeless man, 24-year-old randy santos was arrested soon after, reportedly still carrying the alleged murder weapon. surveillance video shows santos wielding a metal object, beating the men as they slept on the street. police say the attacks were random. the incident has renewed focus on the country's vulnerable homeless population crisis. nationwide in 2018, there were more than 550,000 homeless people. in new york city, there are more than 60,000 homeless people. and in los angeles, it's more than 30,000. in 2018, 39 homeless people were killed in l.a., ten more than 2017. >> this cannot be the best that we can do. >> giselle routhier is with the coalition of the homeless. >> we need deeply affordable housing for people who are homeless. we need the government to step in when our housing market is not fulfilling that gap for people. >> reporter: well, in addition to the four men killed, a fifth homeless man was also injured in the attack. he is still fighting for his life tonight.

>>i tear gases in mong kok this is an area that has seen. >>so this is inside the mong kok station you can see that they've trashed the entrance is says going down and that was a fire down here at some point we're being told you can see the sprinklers the that had faena turns on from automatically potentially by the protesters but areas of the station have been flooded, this is going to be out of these for some time on saturday the complete subway system was shut today this sunday parts of it was fun. this one is unlikely to be open to some time. meanwhile, a hong kong taxi driver has been hospitalized he played his vehicle into a crowd of protesters. video shows his red taxi amongst the crowd, he tries to 10 and seeming the rams his car into by protesters. he's drink from his car and hits in the head and body. a police source tells cnn the driver was unconscious when he was rescued on the ground and taken to hospital the hospital at this point says he is in a serious condition. hong kong investigating. >>at least a 100 people were killed an

kok wins theddie c 19 worldhe wins in the series. -- there were threats coming in. an account of one threat coming into williams. interview, he says there were calls coming in from gamblers all the time threatening these guys to shape up. when you get eight players involved and then i have named 11 gamblers. guysave a minimum of 19 and they cannot keep their mouth shut. which are good reasons -- so you are a crooked relative or your friend wants to bet money on your team and you go no, don't bet. bet on the other guys, ok? they cannot keep their mouths shut. rumors of the fix start in august in saratoga, rothstein tells a gambler from chicago the series is going to be fixed. he tells the former owner of the chicago cubs about it. eventually, kaminski is going to know about these rumors. he will get very agitated. the managers of the white sox will get very agitated. after the series is over, there is a series of articles coming out about the rumor fix. it is interesting, when they come out, the sporting news, the ande of baseball comes out there is a famous passage

e> reporter: cheun kok was the oldest of the victims, he was 83.omeless man, 24-year-old randy santos was arrested soon after, reportedly still carrying the alleged murder weapon. surveillance video shows santos wielding a metal object, beating the men as they slept on the threet. n lice say the attacks were random. e e incident has renewed focus on the country's vulnerable homeless population crisis. nationwide in 2018, there were more than 550,000 homeless people. in new york city there are more than 60,000 homeless people, and in los angeles it's more than 30,000. in 2018, 39 homeless people were killed in l.a., ten more than 2017. >> this cannot be the best that we can do. >> reporter: giselle routhier is with the coalition of the r:meless. >> we need affordable housing for people who are homeless. we need the government to step in when our housing market is mt fulfilling that gap for people. >> reporter: well, in addition to the four men killed, a fifth homeless man was also injured in the attack. he is still fighting for his life tonight. mea

masked men who beat him with hammers he's in a stable condition in hospital also the attack on the monk kok area of hong kong was the 2nd in 2 months again sham the head of the civil human rights front he's ok thank you. if the convening of the a fellow human rights which is at home to him in hong kong for peaceful protests and this attack this very vicious attack took place practically on the eve of his for a course for. mass for a protest parade in hong kong on from day. one of the messages sham has sent from the hospital he's appealing for sunday's march to be safe law abiding and peaceful it's got harder al-jazeera on cong. the head of catalonia is regional government says another independence vote is needed within the next 2 years in barcelona thousands of people have gathered for a fortnight of protest the unrest and some of the worst seen in spain for decades demonstrators are angry over jail sentences given to 9 catalan separatists for their role in the failed independence bid 2 years ago in a 100 people have been arrested since protests began on monday extinction rebellion activist

the attack on the monk kok area of hong kong was the 2nd in 2 months again sham the head of the civil human rights front you supposed to start with thank you mr chairman if the convening of the of civil human rights which is a code come in hong kong for pay for protests and that this attack this very vicious attack that took place practically on the eve of his for a call for the commando man for a protest parade in hong kong on from day. one of the messages sham has sent from the hospital he's appealing for sunday's march to be safe law abiding and peaceful . scott tyler al jazeera hong kong where protests are getting louder and guinea's capital over a proposed change to the constitution that would allow the president to run for a 3rd term and one year old off a condor is also accused of fueling ethnic tension 9 people have died in the violence nicholas reports from cannot create just a warning you may find some of the images disturbing a city divided this is where ethnic susu windmilling can live side by side in peace and this is where the full on the live. move shouts this paratroop

this is the moan kok district in kowloon, kowloon is the bit of hong kong attached to the mainland. this is a sunday night in a big shopping area of hong kong. it is not really supposed to look like this, is it? the street taken over by protesters, most of them wearing the face masks that are now illegal to wear at illegal protests. there is a roadblock there constructed by protesters, there is a roadblock there constructed by protesters. is a roadblock there constructed they are waiting for something. is a roadblock there constructed i have to say, the sense tonight is that there is not going to be anything major. there is no police presence around where we are. something interesting has happened in the last hour not far from here. a people's liberation army barracks, the chinese army, remember, we are in china, protesters were marching past that in the last hour and for the first time, i am told, since these protests began four months ago, there were audio warnings from within the barracks, spotlights were being shined on the protesters and at one point, someone wearing what looke

institute at the council institute of technology his team studies engine emissions and alternative fuels kok believes the diesel engine has been demonized in a pollution debate he doesn't condone manufacturers use of fraudulent software to cheat emissions tests but he blames policy makers for setting road traffic pollution limits at a time when they were technologically unattainable. not out of butter though this whole business was a bust as a sober. order of developers faced an impossible task either they had high levels of particulate matter and low levels of nitrogen oxides or high levels of nitrogen oxides in low levels of particulate matter by. when you couldn't achieve low levels of both at the same time that only became possible with exhaust aftertreatment technology but it was a generally known fact that in reality vehicles were emitting far more than the utopian limit of 180 milligrams kilometer. simle tiny asli cutting particulate matter and nitrogen oxides wasn't technically feasible 10 years ago in days or engines combustion occurs at a particularly high temperature generating a

masked men who beat him with hammers he's in a stable condition in hospital also the attack on the monk kok area of hong kong was the 2nd in 2 months again sham the head of the civil human rights front and also served with thank you. if the convening of the official human rights which is a code come in hong kong for peaceful protests and that this attack this very vicious attack took place practically on the eve of his for a call for the canal man for a protest parade in hong kong on from day. one of the messages sham has sent from the hospital he's appealing for sunday's march to be safe law abiding and peaceful scott tyler al jazeera hong kong. the u.n. says there's been progress in peace talks between yemen's government and southern separatists the 2 sides fell out in august where the separatists seizing control of the port city of aden sounded negotiations in jeddah aimed at rebuilding the coalition as it battles against hooty rebels the u.n. special envoy for yemen says an agreement is within reach as i said at the outset many of us had hoped including myself here in riyadh had hoped t

masked men who beat him with hammers he's in a stable condition in hospital also the attack on the monk kok area of hong kong was the 2nd in 2 months again sham the head of the civil human rights front to expose historically thank you. if the convening of the of civil human rights which is a code come in hong kong for pay for protests and that this attack this very vicious attack took place practically on the eve of his for a call for the canal man for a protest parade in hong kong and from day. one of the messages sham has sent from the hospital he's appealing for sunday's march to be safe law abiding and peaceful . scott tyler al jazeera hong kong european union observers at tuesday's election in mozambique say campaigning was marked by violence and restrictions on fundamental freedoms the election results are awaited other problems included lack of public trust and police impartiality and election observer in gaza province was killed in a shooting involving 5 policeman as malcolm webb reports from the provincial capital police deny the killing has any political links. it was right here t