A Syrian man whose asylum bid had been rejected in Germany recorded a cellphone video of himself pledging allegiance to the Islamic State group before he tried to get into an outdoor concert with a bomb-laden backpack. He was turned away and blew himself up outside a wine bar instead, injuring 15 people, authorities said Monday.
The Islamic State group claimed responsibility.
It was the fourth attack to shake Germany in a week — three of them carried out by recent migrants.
The 27-year-old, whom authorities have not identified, set off a backpack laden with explosives and shrapnel Sunday night after being refused entry to the nearby festival in the Bavarian city...