21.   Political violence has intensified ahead of elections scheduled for March.

22.   Sectarian violence intensified following the killing of four Sunni Muslim leaders in the capital Islamabad in September.

23.   Sectarian violence intensified since the September killing of four Sunni Muslim leaders in Islamabad.

24.   Since then, violence has intensified around the time of every election.

25.   Sectarian violence has intensified after the killing of four Sunni Muslim leaders in the capital Islamabad earlier this month.

26.   Street violence intensified in late March after the arrests of suspected ETA commandos in France and Spain.

27.   The Barak aide acknowledged that the violence had intensified in terms of the sophistication of Palestinian attacks but noted a significant drop in their number.

28.   The center also said two rebel fighters were killed and another wounded Friday in the same area, where violence has intensified over the past week.

29.   The religious violence has intensified in recent months, especially in the Punjab province, the home of Prime Minister Nawaz Sharif.

30.   The recent violence has intensified international pressure on the government to establish talks with the opposition.