1.   The tree pollens began the assault in March, but their heaviest bombardment kicks in over the next couple weeks and lasts into May.

2.   American warplanes carried out the heaviest daytime bombardment yet of Afghanistan on Monday, and the attacks continued into the night.

3.   Israel this week responded to Hezbollah with a devastating aerial attack, its heaviest bombardment of Lebanon in eight months.

4.   It appeared to be the heaviest bombardment yet, although no immediate strikes were reported on the city center.

5.   Russian jets unleash their heaviest bombardment yet on the capital of rebel Chechnya early Thursday, pounding the outskirts and setting a refinery ablaze in a series of attacks.

6.   Russian jets unleashed their heaviest bombardment yet on the capital of rebel Chechnya early Thursday, pounding the city and setting a refinery ablaze in a series of attacks.

7.   The barren building, still held by the Chechen defenders, was the scene of the heaviest bombardment Friday.

8.   Their heaviest bombardment focused instead on the strategic village of Bamut, located between Grozny and the mountains to the southwest.

9.   Wednesday night saw the heaviest bombardment yet of Kabul.

10.   Even during the heaviest bombardments over the River Neretva which runs through Mostar, women were crossing the front-line and going through the checkpoints on either side.