21.   Sudanese leaders have denied any role, but the tension led to border clashes in which three Sudanese soldiers were killed.

22.   Tensions have led to predictions of renewed fighting between the two sides.

23.   Tension has led to strikes.

24.   The tension led to border clashes last week in which three Sudanese soldiers were killed.

25.   The tensions led to fears of a new outbreak of the turmoil that paralyzed Albania for months last year until the elections.

26.   The tension has led to a perilous military standoff between the two nuclear rivals.

27.   The tensions have led to increased security measures, including bomb-sniffing Cuban dog squads and Dominican riot police.

28.   Australian farmers had feared that US-Canadian trade tensions could lead to subsidies in Indonesia, he said.

29.   The tensions have led to capital flight from Taiwan and to investor confidence plunging in Taiwan, which China treats as a renegade province.

30.   On Friday, internal tensions led to an earlier round of clashes and the death of four miners, with a further three injured.