>> If ever they needed a reminder as to why security will top the agenda, the latest militant attack in Brussels should suffice. A man with a suitcase full of explosives was shot dead at the central station on Tuesday, just as leaders from all 28 member states head to Belgian capital for a two day European summit, on Thursday.
Following a series of attacks by Islamic militants across Europe, counter terrorism and the fight against online radicalization to be discussed. Immigration also likely to figure highly, although the situation has calmed down, the flow of migrants is still fueling anti EU sentiment. The Summit comes days after formal negotiations began on Britain's split from the European Union.
After a tough month for British Prime Minister, Theresa May, she'll be looking for friends this time round, something that didn't come easily back in December, but she's unlikely to get them. May's bid to strengthen her hand in divorce talks, failed when her party lost it's majority in a snap U.K. election.
Brexit isn't officially on the agenda. She'll be allowed to make a statement this time, but with no discussion.