51.   The soldiers were shot as they went investigate an explosion in the working-class Danubio neighborhood.

52.   Three of the wounded were taken in serious condition to the U.N. medical center in downtown Sarajevo as officials investigated the explosion.

53.   He had travelled to Tunisia with Attorney General Kay Nehm and other senior German police and intelligence officials investigating the explosion.

54.   But police investigating the explosion have not confirmed that a bomb was the cause.

55.   The Royal Ulster Constabulary meanwhile said it was investigating an explosion Sunday night as a police patrol passed through a village in County Tyrone, slightly injuring one officer.

56.   The Saudi police are currently at the compound investigating the explosion.

57.   Xinhua said Chinese and US experts were investigating the explosion.

58.   Meanwhile, the Bureau of Alcohol, Tobacco and Firearms is investigating the explosion.

59.   Omatsola, a native of Owo, was branded a NADECO agent by the police investigating the explosion.

60.   Officials were still investigating the explosion in the massive arms stockpile that set off the series of blasts through Thursday night into early Friday.