21.   The dispute has escalated tensions between the uneasy neighbors.

22.   The dispute quickly escalated into scuffles and shouting matches between Israeli and Palestinian troops.

23.   They later returned to the area and the dispute escalated.

24.   They returned to the area and the dispute escalated.

25.   Although hopeful Pyongyang will back off in time to avert crisis, Australia fears incalculable damage to its interests if the dispute escalated to war.

26.   As the dispute escalated, each side drew guns and one person was wounded in the leg.

27.   Traders in London fear that this dispute could escalate into strike action at the site, and lead to a cut in output.

28.   Labor disputes suddenly escalated on Thursday, when police launched a nationwide hunt to crush a planned railway strike.

29.   On several occasions the dispute has escalated into violence involving the Nigerian military, Cameroonian gendarmes, and fishermen from both countries.

30.   The dispute escalated into a military standoff before a US-brokered accord soothed tensions.