91.   Four hours after the first explosion a second blast occurred when an expert was about to examine the remains of the device.

92.   It was the first such explosion reported in the Saudi capital.

93.   The second Palestinian waited to set his bomb off until other troops rushed to help those hurt by the first explosion.

94.   Two hundred people work at the munitions factory and an unknown number were evacuated after the first explosion, police said.

95.   Two of those who died were rescue workers who went down to the mine after the first explosion, Xinhua said.

96.   It was the first such explosion in the normally calm Saudi capital, and large crowds turned up to gawk at the ruins.

97.   It was the first such explosion on the St Petersburg metro.

98.   It was the first such explosion in the Saudi capital, but the cause of it was not immediately known.

99.   Neighbors had ignored warnings by the security forces and left their homes to see what had caused the first explosion, the report said.

100.   Officials of the armed forces ministry said on Wednesday that the first explosion was caused by a fire.