11.   Abrams tanks thundered down the hillsides, Apache helicopters swooped down firing missiles, and Bradley assault vehicles blasted targets Thursday, sending columns of smoke into the air.

12.   Abrams tanks thundered down the hillsides, Apache helicopters swooped down firing missiles, and Bradley assault vehicles blasted targets, sending columns of smoke into the air.

13.   Earlier this week, Information Minister Didier Mumengi said Uganda had sent a column of troops across its border into Congo.

14.   In a separate incident Wednesday, an explosion rocked the Grozny oil refinery, touching off a fire and sending a column of black smoke streaming into the air.

15.   Russia said an armored column was sent to the town to rescue the policemen.

16.   Russia last week sent a column of trucks, part of which was turned back by Hungary.

17.   The fire last month destroyed the plastic recycling plant, sending huge columns of black smoke into the sky that were seen across the lake in Toronto.

18.   The Russian army sent a column of armored vehicles toward the city center with desperately needed reinforcements, but it was stopped on the outskirts Wednesday afternoon.

19.   They occupied an eight-lane boulevard and burned tires, sending thick columns of smoke billowing through the snowy sky.

20.   Yugoslavia sent long columns of tanks toward the region this month in an apparent warning to Croatia not to attack.