-- into the plant causing an explosion. you are watching dw news. still to come in our show. all eyes are on london as one blend gets underway. taking a look at the top tennis tournament. all that and moresarah: welcome back.

you are watching dw news and these are our top stories. the greek prime minister alexis tsipras says that he does not think -- his government's rejection of bailout he is hoping for a no vote.

german chancellor angela merkel says that she is ready to reopen talks. the european commission president is urging greeks to vote yes in the referendum in order to keep greece in the euro. and calls from around the world are getting louder. leaders of the world's biggest economies want to greece to stay put. ben: some of the headlines coming through the u.s. wants greece to stay in the eurozone. china has called for a speedy breakthrough in the crisis. the whole affair has its bearing on china and a european trade union. a grand total of 40 billion euros. it is constantly rising and it

has been heavily investing in the peripheral countries. another investment project call -- causing headaches is pouring billions to infrastructure. some officials are not exactly thrilled. >> badly in need of recovery. the european fund for strategic investments or efs i is aimed at improving infrastructure. it helps projects get off the ground. in the next three years, they plan to spearhead public and private investment totaling 315 billion euros. the fund is based on guarantees of 21 million euros. it is meant to serve as collateral for 63 billion euros in loans and could stimulate

project investment of 252 billion euros. germany has approved projects as have france, italy poland. china has announced it is ready to participate primarily in technology and communication projects. it could give china a say in the management of the fund. ben: officials signed a pact to create the infrastructure investment bank. the beijing-based bank is set to control $100 billion in capital for trade infrastructure projects. it is critical and not applying for membership. it is expecting to give a big

stake that is currently dominated by the u.s. and europe. back over to you. sarah: in other news, egypt's top prosecutor has been killed in a car bombing in cairo. officials say the bomb ripped through the convoy. >> this amateur video capture the aftermath of the blast. burned-out cars littered the street. the expose of device appears to be hidden inside a vehicle and detonated by remote. the prosecutor was rushed to hospital. at first it was reported he had only suffered minor injuries. and it became clear that his

condition was more serious and he later died of his wounds. authorities say it could be the work of islamist militants. last month, the egyptian affiliate called for a taxon members of the egypt's judiciary. prosecuting thousands of muslim brotherhood members. he handed out hundreds of death penalties including one for mohamed morsi. they were internationally criticized for their severity. this time, they carried out their threats. sarah: it has been a year since the extra missed declared it -- the territory that they control in iraq. a sophisticated social media machine. the group uses online platforms like facebook and twitter to

spread propaganda and indoctrinate and recruit new followers. we are joined by carl from the social media desk. can you give us a scale of the problem? >> it is hard to find good numbers on this. so we said, let's see if we can find some. it was a lot easier than we thought. it is very clear he's not hiding. you see the iso to as the cover photo. and other things these twitter accounts are saying, here is another one. the tragic events on friday, the shooting in tunisia. the murder in france celebrating those horrible events as a victory. they are not hiding and this is

basically propaganda out there in the open. sarah: if it is out there like you say, why isn't it being taken down? >> it is being taken down. twitter says they are working on it but they don't give us exact numbers. you take one account down and two more pop up. it give you an example of what i mean. this was an account on twitter and he is bragging about how many times he's been suspended. for the account suspended. i will just return. if they are taken down, they pop right back up. sarah: that's what twitter is doing to combat this, but what about law enforcement? >> inter-poll take this. seriously -- interval takes this very seriously. we spoke with the next bird who

is a social media expert about i asked -- i.s. he says it has to be more than that. >> we have the come up with a better system that makes it more difficult for those to sign up and abuse the services. and to try to do more to track some of these people down. once they start to call people to wage jihad against civilians. we should have a better way to prosecute. >> if you want to read more about the online presence of the islamic state. sarah: thank you so much for your insights. moving to sports news, wimbledon has just gotten underway today. on the men's side, there is novak djokovic aiming to defend his title.

he is considered a firm favorite. roger federer could be the man who's going to stop him. the swiss star is gunning for his eight wimbledon title. andy murray knows what it's like to win at wimbledon. could he do it again? what about stan wawrinka. the swiss won the french open and is seated for -- seeded fourth. the women's singles are wide open. serena williams is on track to win all four grand slam titles in a single year. petra kvitova is fifth. we have romanian simona halep third. could this be her year? we will find out. and we can't forget maria sharapova. the russian is no stranger to success and she could be the thick -- biggest threat to

williams. there are getting ready for the challenge that awaits them. >> wimbledon's facebook page proudly proclaims its regulars. the courts in perfect shape the weather is fine, and the strawberries are promising. and the champagne is on ice. but what about the players? women's favorites serena williams and maria sharapova had a pretournament showdown. who one? you be the judge. williams could become the first woman since steffi graf in 1988 to claim all for top titles in one year. >> i really don't feel that pressure. maybe if i happen to win, i might start feeling it after that. ultimately, i'm just taking it one day at a time. >> and defending champion petra kvitova.

wanting to defend the title they won last year. and in the men, one of his fiercest rivals is back in top form. >> i have been playing well for a year now so it has been a good last week as well. and they have andy murray is the second favorite. >> i enjoy playing in the high-pressure situations. >> the covers are off and the weather permitting, it could be a classic year at wimbledon. sarah: you are watching dw news from berlin. we will have more at the top of the hour. you can get more news and information around the clock on her website. dw.com. i'm sarah harmon. thank you for joining me.

' banks may be closed but the door remains open. european leaders urge greece to come back to the negotiating table to prevent what could be a catastrophic default. fighting terror in all its forms. the investigation continues into friday's deadly attack at a tourist resort. and a vote counting underway in burundi. parliamentary elections are held. a boycott of the opposition and the looming thre