31.   Islamic militants have renewed threats to carry out bombings in Israel.

32.   Islamic fundamentalist organizations, leftist groups and a Kurdish guerrilla organization have all carried out bombings in recent years.

33.   Israel has been on high alert for a possible terror attack for the past month after the Islamic militant group Hamas said it would carry out bombings in Israel.

34.   Israel television reported that the military believes both bombings were carried out by the same attackers -- members of one of the Palestinian security services.

35.   Istanbul is a city in which Kurdish, leftist and Islamic groups have carried out bombings in the past.

36.   Kurdish and Islamic groups have also carried out bombings in the past in Istanbul.

37.   Kurdish, leftist and Islamic groups have carried out bombings in the past, though the number of attacks has fallen in the past year.

38.   Kurdish rebels, leftists and radical Islamic groups all have carried out bombings in Istanbul in the past.

39.   Last month, two suicide bombings were carried out by suspected PKK militants in Turkey.

40.   Militant groups frequently carry out bombings and attack government installations to make public their demands.