11.   In the West Bank, Israel tightened its blockade of Palestinian towns and villages, in effect since mid-November.

12.   Israel tightened a blockade of the West Bank and Gaza Strip for the one-day holiday, barring goods from moving between the Palestinian areas and Israel.

13.   Israeli troops tightened blockades of Palestinian towns across the West Bank and halted Palestinian traffic between the northern and southern Gaza Strip.

14.   Israel further tightened its blockades, which already were preventing the vast majority of Palestinians in the West Bank and Gaza from entering Israel.

15.   Israeli security forces tightened their blockade of a West Bank village on Tuesday after they reportedly identified the Islamic militants who carried out two suicide bombings in Jerusalem.

16.   Later, however, the source said the blockade had been tightened around Jenin and Nablus, not Tulkarem.

17.   News agencies said Russia was tightening its blockade on the Chechen border Saturday and closing off Chechen airspace.

18.   News agencies said Russia was closing off Chechen air space and tightening its blockade on the Chechen border, but cars were entering and leaving freely.

19.   News agencies said Russia was tightening its blockade on the Chechen border today and closing off Chechen airspace.

20.   News agencies said Russia was closing off Chechen air space and tightening its blockade on the Chechen border, but cars entered and left freely.