11.   Since his ouster, those tensions have routinely spilled into deadly unrest.

12.   Since the killing, tensions have spilled over in Hebron.

13.   Sometimes the tensions have spilled over into physical confrontations.

14.   Their political tensions often spill over into sporting arenas.

15.   After a period of relative calm, tensions have spilled over into renewed clashes over the last few nights.

16.   And tensions spilled over in the second set when a crucial line call went against Rusedski as he struggled to save the set.

17.   The tensions spilled over into several days of unrest on the streets of Port Moresby.

18.   The tensions spilled over into unrest on the streets of the capital Port Moresby.

19.   The tension spilled over several times into clashes between members of the two ministries.

20.   Many of those left on the car ferry had feared being left behind and the tension spilled over into violence late Saturday between some of the passengers.