BERLIN (AP) — Authorites say several people have been injured in a gas explosion in or near a building in the southern German town of Memmingen. The explosion occurred at about 6 a.m. and damaged the building used by the Bavarian Red Cross, which also had apartments above, authorities told the dpa news agency Friday. Five people were injured, one seriously, police said. The source of the explosion was a defective gas line that ran under the street in front of the building, dpa reported. The building was seriously damaged, police said.