mr kabila is the problem of this country. >> reporter: they say they'll try to protest again, raising fears of more violence. if kabila doesn't leave when his term in office ends >>> donald trump is emerging as a front runner in the u.s. presidential election, according to the latest polls. tuesday, he was expected to deliver a maiden security and foreign policy speech. >> alan fisher reports. >> he's the man who generates most coverage, support, controversy. donald trump came toll california to talk national security, but it was his word on immigration that provoked protests. there are people here who paid up to 1,000 a ticket to speak. a few meters away there are dozens of protesters who are angry at his message on immigration. for the most part. they are succeeding. >> for a speech heavily promoted. there was little of substance. against it was a promise of things to come. donald trump is at everything. as he left the stage, i stopped the leader in the republican race for a quick question. >> what would you say to foreign governments, people in foreign countries, who are scared. >>

mr kabila is the problem of this country. they say they'll protest again, raising fears of more violence. if kabila doesn't leave when his term in office ends >>> time for a short break. when we come back, policing ethiopia's borders. the changes of monitoring a big raging transit route. plus we visit the village buried by floods, which the residents blame on climate change. more on that. stay with us. this is a great place to work. not because they have yoga meetings and a juice bar. because they're getting comcast business internet. comcast business offers convenient installation appointments that work around your schedule. and it takes- done. - about an hour. get reliable internet that's up to five times faster than dsl from the phone company. call 800-501-6000 to switch today. perks are nice. but the best thing you can give your business is comcast business. comcast business. built for business. >> as the global refugee crisis intensifies... >> they have travelled for weeks, sometimes months. >> and the e.u. struggles to

what we'll do every month, every day, what we'll do to send mr kabila out. the time is gone. >> logistically, it could reach the elections on time. people hope there won't be violence. the opposition is planning mass protests across the country >>> kenya's government ordered the closure of all schools because of a teacher strike. more than 280,000 educators have been striking since august. demanding a pay rise. the government says it doesn't have money >>> he's known for not holding back when it comes to expressing his opinion. republican front runner donald trump is facing criticism. kimberley halkett explains. >> reporter: as donald trump was making a public appearance with potential voters, a man in the audience stood up to ask a question and started a controversy. >> problem in this country, it's called muslims. we know our current president is one, he's not even an american. anyway, we have training camps ruined where they want to kill us. that's my question. when can we get rid of them. >> we'll look at a lot of different things. people are saying that

every month, every day, what we'll do to send mr kabila out. his time is gone. >> reporter: large stackly it -- logistically it could be impossibility to hold elections. the opposition is planning mass protests >>> the annual hajj pilgrimage is getting under way. millions of muslims will be visiting meccament security is being stepped up. we have this report. >> the numbers visiting mecca is agreeing ahead of hajj. saudi arabia's government wants it to go well, and is stepping up security preparations, and showing off forces and equipment. these men are asked to protect the children performing the hajj. special forces, snipers and others are among them. and they prepare for different scenarios. including bombings, shootings and attacks. 50,000 security is deployed. this comes at a critical time far saudi arabia. internally the country is facing a threat from islamic state of iraq and levant. i.s.i.l. carried out two suicide attacks since may. a number of people have been arrested. the atmosphere is calm as millions make their way to the city. s