11.   Authorities evacuated central Tunis for three hours when Gadhafi arrived, as security forces blocked off downtown Tunis and a helicopter circled over the two leaders.

12.   But government forces blocked the rebel advance last month after obtaining new warplanes, multi-barrel rocket launchers and other armaments from Israel, Pakistan and some other countries.

13.   Civilians abandoned Badme and surrounding villages in the Yirga triangle and moved north after Eritrean forces blocked an Ethiopian advance last week, the officers said.

14.   Croatian forces have blocked U.N. troops from moving to positions where they could confirm Croatian evacuation of the buffer zone, Eckhard said.

15.   For the third straight day Monday, Russian forces blocked all roads leading to major Chechen towns in anticipation of the independence anniversary.

16.   Gen. Tommy Franks, chief of the U.S. Central Command, said U.S. forces were blocking Taliban troops fleeing from the city, using ground and air forces.

17.   Government security forces later blocked the road, which links the provincial capital with the north and with Belgrade.

18.   Government forces usually block off reported areas of fighting, making it difficult to independently assess rebel and government accounts.

19.   Heavily armed Serb forces also blocked the German forces on a main Prizren street, but backed down after a tense standoff, according to a pool reporter.

20.   Heavily armed Serb forces also blocked the German forces on a main Prizren street but backed down after a tense standoff, according to a pool reporter.