1.   Although Palestinian police tried to keep the mob at bay, some managed to enter the station.

2.   Recently gunmen kept a mob at bay while unloading the drugs, then abandoned the plane.

3.   The team that kept the mobs from swarming over Busch Stadium to see their Cardinals.

4.   Police fired tear gas and live ammunition in the air to keep the mobs on the run, and by evening the violence had tapered to sporadic incidents.

5.   Then, they stationed themselves at entrances to keep the mobs out.