21.   Soldiers arrested dozens of village residents, and on Tuesday tightened their blockade, barring villagers from entering and leaving.

22.   The blockade was tightened after a cafe bombing last month in Tel Aviv killed three Israelis and the Palestinian bomber.

23.   The blockade was gradually tightened, with tanks deployed outside his headquarters in January.

24.   The blockade was also tightened around the West Bank town of Nablus late Friday night.

25.   The government also has slammed the Russian military for failing to tighten a blockade of Abkhazia, approved by the Commonwealth of Independent States in January.

26.   Bosnian Serbs have tightened their blockade of Sarajevo earlier this week in defiance of an agreement which had held since March, and attacked UN soldiers.

27.   Leaders of the Commonwealth of Independent States voted in January to tighten a blockade on Abkhazia, and called on the separatists to seek a solution within Georgia.

28.   Police used bursts of tear-gas from cans and fired dozens of tear-gas shells, tightening their blockade around the church after street clashes Wednesday night.

29.   Police fired dozens of tear-gas shells, tightening their blockade around the church after street clashes Wednesday night.