Terrorist attack at the Manchester Arena killed 22 people including children. Explosion occurred while fans were leaving the Ariana Grande concert, at least 59 people were also injured. Police believe the blast was caused by an improvised explosive device carried by the suicide attacker. Police are inviting people that were at the concert and witnesses to provide them information and footage from the scene of the blast in the attempt to identify the attackers. Prime Minister Theresa May is chairing an emergency Cobra meeting at 9am to discuss the case.”]
Source: http://securityaffairs.co/wordpress/59363/terrorism/manchester-arena-explosion.html