activists call for independence referendum says kiev going to cost and that the unrest in eastern ukraine venezuela's government and opposition hold that the sticks her feet alternate bid to end weeks of street on the rest. forget the recalled more than six million cars the second largest such operation to take to investigate suspected police i hope will be in a match for updates will be able to find something on the ball to center says the head of the search for the missing when they see or airlines plane opted to new people signals were detected in the southern indian ocean this optimism up to his signals was studied by expat seeking the plate with black box that the torah says that the transmission was an all natural origin. i was a likely source. from specific electronic equipment. i believe the signals to be consistent with the specification. and description of what dr record a bus with families of the two hundred and thirty million people on board the plane desperate the news that was in charge of the international central western australia but also its course and this remains a race against ti

eastern ukraine expires. what will the government do. hello. this is al jazeera, live from doha. also coming up in the program - talks to end the violence. venezuela's government meets the opposition. but can they figure things out. >> south korea and the united states launch their largest air drill as tensions mount with the north. >> here the cost of farming is soaring, but production is not keeping up. >> eastern ukraine protests - time is running out for a peaceful process. a ukranian official is threatening to use force if the siege is not ended. they are armed and prepared for any assault. leaders aren't compromising and the prime minister arrived there from kiev. it's a similar scene where protesters fortified defences around occupied buildings. across the boarder, moscow warned europe that it will cut off its gas supply unless a bill is paid. 40% of gas is delivered. it goes through ukraine. 18 countries could be affected. some as far away as france and italy. there is a particular concern in right now they are handing out flyers asking people to come back. no movement here so far. >> that's kim there with a situation in donetsk. let's go to

eastern ukraine expires. what will the government do. hello. this is al jazeera, live from doha. also coming up in the program - talks to end the violence. venezuela's government meets the opposition. but can they figure things out. >> south korea

eastern ukraine expires. the question - what will the government do? >> hello, this is al jazeera america, live from doha. also coming up in the program - talks to end the violence - venezuela's government meets the opposition. can they end months of protests that have left more than 40 dead? >> pakistani taliban leaders meet to decide whether to continue peace talks with the government. >> making sure every child goes to school. the world bank says it will cost $6 billion for the education in the developing world. >> well, time appears to be running out for a peaceful resolution to the protests in eastern ukraine. a deadline for pro-russian activists to leave government buildings in donetsk and luhansk has passed. protesters are armed and prepared for any assault. ukrainian officials say they are prepared to use force. the prime minister has arrived from kiev. the situation is similar in lieu, where protesters fortified defences around occupied buildings. hoda abdel-hamid has more from luhansk. >> the protesters are holed up in the building behind me. it's a security building of the city of luhansk. negotiations are ongoing with the government. some are direct negotiations,

eastern ukraine gave no sign they'll back down today, defying the diplomatic deal to calm the upheaval. good evening. i'm judy woodruff. also ahead: a different wave of political turmoil-- this one lasting months in venezuelaposing the most serious challenge to that country's government in more than a decade. >> what began in january as demonstrations against rising crime mushroomed in february to massive marchs. today there remain smaller, fervent localized protests in

eastern ukraine expires. the question - what will the government do? >> hello, this is al jazeera america, live from doha. also coming up in the program - talks to end the violence - venezuela's government meets the opposition. can they end months of protests that have left more than 40 dead? >> pakistani taliban leaders meet to decide whether to co

eastern ukraine gave no sign they'll back down today, defying the diplomatic deal to calm the upheaval. good evening. i'm judy woodruff. also ahead: a different wave of political turmoil-- this one lasting months in venezuela, posing the most serious challenge to that country's government in more than a decade. >> what began in january as demonstrations against rising crime mushroomed in february to massive marchs. today there remain smaller, fervent localized protests in neighborhoods fortified with barricades. >> woodruff: and it's friday. mark shields and david brooks are here to analyze the week's news. those are just some of the stories we're covering on tonight's pbs newshour. >> major funding for the pbs newshour has been provided by: >> charles schwab, proud supporter of the "pbs newshour." >> and by bnsf railway. bae systems. inspired work. >> and with the ongoing support of these institutions and foundations. and friends of the newshour. >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: a final decision on a much-debated extension of the keystone oil pipeline has been delayed again,

ukraine. stay with aljazeera for in-depth coverage. at 8:30 eastern, we'll discuss whether vladimir putin is behind the uprising in denejsk and how account profit from it. >> protestors in venezuelalame the government for lack of basic goods. a new food reactions system was rolled out. not owl in venezuela like the idea. >> these citizens are cueing up for their weekly supply of food. inside, government volunteers are asking buyers to register for the new system of reaction cards, called the electronic card for supply security. the system is necessary because of food shortages in venezuela. >> it's a way to try to organize consumers to get their basic food and control subsidized products. >> the government wants to control how much they buy in markets. 20% of basic food items were unavailable. the supply have some products like chicken will be restricted. rosa doesn't mind. >> i don't care, because you don't eat chicken or meat every day like beans or pasta. >> officials say it will control the son assumption of everyone registered and prevent illicit resales. >> ration cards are usually associated with food shortages during war time. producing that are bought here at cheap price