11.   Thin-set and standard mortar are waterproof.

12.   A mortar is just a tube, a propellant and a small bomb.

13.   Homemade mortars are a favorite weapon of states and forces with few resources.

14.   If proven, the mortar shooting would be the first incident of its kind in several years.

15.   It said troops targeted a Palestinian police station from which the mortars had been fire was hit, as well as several nearby buildings.

16.   Just this week a mortar was fired near the airport.

17.   NATO jets swooped constantly over Sarajevo all day Monday, circling over Serb-held areas where mortars are located, but nothing happened.

18.   Residents said mortars were relentlessly pounding rebel positions in the hills of Jolo.

19.   Robertson said the belligerents celebrated by firing tracer rounds in the air and there were some mortars fired.

20.   The same area also was targeted last Thursday by what U.S. officials then said were mortar rounds or rockets.