31.   Police said the hotel blast was caused by a bomb that went off as a man tried to plant it in a toilet.

32.   Police say the blast apparently was caused by a bomb planted by terrorists.

33.   A faulty gas pipe caused a blast in an apartment building Wednesday, injuring seven people.

34.   A government investigation team concluded Monday that the blast was caused by workers mistakenly drilling into a gas line.

35.   A faulty gas pipeline caused a blast in an apartment building Wednesday, injuring seven people.

36.   A malfunction caused the blast and workers were repairing the damage, said Sarifin, an employee of the state electricity company.

37.   A police officer, speaking on condition of anonymity, said the blast likely was caused by plastic explosives planted in the car.

38.   A police officer who spoke on condition of anonymity said the blast likely was caused by plastic explosives planted in the car.

39.   A traffic police investigator confirmed that the blast was caused by an explosive device.

40.   A witness said the blast was caused by a bomb.