11.   The tunnel has also kept this besieged city alive, providing a conduit for food and electricity to enter.

12.   Will the potential of air power to save besieged cities at last be tested?

13.   With considerable fanfare, Russia established two escape corridors for civilians to escape the besieged city.

14.   A group of U.S. and German diplomats flew out of Sarajevo on Saturday after rebel Serbs refused to let them leave the airport to visit the besieged city.

15.   A top Russian military commander, Maj. Gen. Viktor Vorobyov, was killed by a mortar shell as Russian soldiers advanced on the besieged city.

16.   A truck convoy carrying hundreds of tons of food, medicine and plastic sheeting recently left from neighboring Pakistan and is now south of the besieged city.

17.   Anti-Taliban tanks rolled across the front line and Taliban shells crashed near refugees fleeing the besieged city.

18.   APTV is chasing the latest pictures from the besieged city as Russian troops gear up for another assault.

19.   APTV has coverage from inside the besieged city.

20.   Artillery thudded on the outskirts of the besieged city all day Wednesday and Russian warplanes buzzed overhead, sending terrified people fleeing for cover.