51.   Tension has escalated throughout Bosnia and particularly in Sarajevo, where snipers killed two French peacekeepers on Friday and Saturday.

52.   Tensions escalated around the Bosnian capital over the weekend because of the shooting deaths on Saturday of two Serbs.

53.   Tensions escalated late last year after China began enlarging the reef structures.

54.   Tensions escalated this week after Stoyanov abided by his constitutional obligations and gave Socialist premier-designate Nikolai Dobrev a mandate to form a new government.

55.   Tensions further escalated when China carried out missile tests into seas near Taiwan shortly after the visit.

56.   Tensions have escalated in recent months as each country has accused the other of harboring renegade soldiers.

57.   Tensions have escalated in recent weeks after international efforts to help resolve the conflict failed.

58.   Tensions have escalated in the past month after Latvian police forcefully dispersed a protest by ethnic Russian pensioners.

59.   Tension has escalated in recent weeks, and hundreds of refugees have sought shelter in Dili and the East Timorese town of Suai, claiming harassment by armed men.

60.   Tensions escalated in early June when each country bombed the other and battles raged for a brief period on three fronts.