The Islamic State militant group claimed responsibility Tuesday for a suspected suicide bombing the previous day that killed at least 22 people and injured 59 at a concert by U.S. pop singer Ariana Grande in the northern England city of Manchester. (Getty)In a statement distributed online, the group said one of its "soldiers" carried out the attack at Manchester Arena.Police believe a bomb was detonated around 10:30 p.m. by a man who was found dead at the scene.British Prime Minister Theresa May said the city had fallen victim to a "callous terrorist attack" and police believe they know th…READ FULL ARTICLE