21.   A gas explosion ripped through a house in Ukraine early Friday, killing two members of a family and seriously injuring two, an emergency official said.

22.   A gas explosion ripped through an apartment building Saturday, killing one man and injuring five other people, fire and police officers said.

23.   A methane explosion ripped through a coal mine in Siberia on Thursday, killing one miner and injuring two others.

24.   A household gas explosion ripped through an apartment Tuesday in the eastern Ukrainian city of Kharkiv, killing one person and damaging two stories of a building.

25.   A huge explosion ripped through the Zyryanovskaya Mine in the city of Novokuznetsk, according to the Ministry of Emergency Situations in Moscow.

26.   A powerful explosion ripped a car carrying a top aide to the Palestinian intelligence chief on Saturday, killing him and critically injuring a bodyguard.

27.   A powerful explosion ripped through a small hotel in northwestern Pakistan, killing three people and critically wounding three others, witnesses said Monday.

28.   A powerful explosion ripped through the Egyptian Embassy in the Pakistan capital Sunday, killing at least six people and wounding dozens more.

29.   A second explosion ripped through a hallway of a magazine publishing company Thursday afternoon.

30.   A powerful explosion ripped through a commercial area in a northwestern Brazilian city Sunday, seriously injuring five people and razing a city block, Brazilian media reported.