21.  Gunmen killed a Pakistani Shiite Moslem party activist in the fourth attack of its kind in the Punjab province in a week, police said Thursday.

22.  However it gave no details of the fourth would-be attack.

23.  A fourth attack failed when a bomb thrown into a police box in Yala failed to explode after landing in a pond.

24.  A synagogue in Charleroi was sprayed with bullets over the weekend, prosecutors said Monday, in the fourth attack on a Jewish site in Belgium within a month.

25.  Another policeman was shot dead in his car in Mallawi in a fourth attack, the ministry said.

26.  The smaller, more radical Islamic Jihad said it was behind the fourth attack in Tel Aviv.

27.  Thirteen people died in a fourth attack on Monday which the smaller Islamic Jihad said it was behind.

28.  This is the fourth anti-Israeli attack thwarted by the army this week against a backdrop of increased security measures after deadly suicide bombings soared again in May.

29.  This was the fourth anti-Israeli attack thwarted by the army this week against a backdrop of increased security measures after deadly suicide bombings soared again in May.

30.  This was the fourth rocket attack against the US presence in the town this month.