A "powerful" explosion has been reported at a secondary school in Karlstad, Sweden.
But how often is the tradition right?
'There are too many people and it is too crowded'
Munich officials say the guides were in fact created in 2013 to address general concerns regarding antisocial behaviour
The case has prompted a full-scale diplomatic row between Berlin and Moscow
The university rejected the idea of more legislation to encourage a greater intake of ethnic minority students
Asked to pick a single luxury item for if he was stranded on a desert island, the Microsoft founder went for 'a bunch of DVDs of great lectures'
The latest video includes a French-speaking militant threatening Spain, as the group widens its focus on Europe
Prime Minister reportedly insists his use of language was not 'intemperate', and says he doesn't regret using the phrase which has caused outrage
'I'd love to take out some cops. I was gonna meet with them then take some heads'
The Conservative backbenches, normally right behind the PM both figuratively and literally, seemed as shocked as everyone else
Speaking at PMQs, he says of Jeremy Corbyn and John McDonnell: 'They met with a bunch of migrants in Calais and said they could all come to Britain'
Rights groups say there has been a worrying surge in hangings in Iran, particularly among juvenile offenders, which have largely gone unnoticed
Chief Inspector Sir Michael Wilshaw says Ofsted will act where veil is 'clearly hindering communication and effective teaching'
The driver did not stop at the scene and can be seen turning off right further down the road
Policies include direct democracy, new banking structures and looser drug laws