BUJUMBURA-- At least four persons were seriously injured when an unidentified person on Monday night blasted a grenade at Birohe in a crowd in the suburb of Gitega town , a local administration authority told Xinhua by phone on Tuesday."It was around 19:30 (17:30 GMT) when people who were taking drinks and listening to the radio heard a loud blast during which four of them were seriously injured,” said Vianney Ndanga, head of the zone of Gitega Rural. The local administration authority said that the four victims were evacuated to Gitega Regional Hospital.Ndanga said: "Police agents arrived at the scene of the crime some 30 minutes later, but didn’t find the criminal.”Last week on Friday night, a grenade explosion killed two persons and injured about 18, most of them seriously, at Mugutu - a neighboring village of Birohe.

Xinhua