1.   The laser beam is fired across the eye and alters the shape of the cornea.

2.   Already, both sides regularly accuse the other of firing across the frontier, crossing the demarcation line, digging tunnels underneath the border or other violations.

3.   And others wonder what might happen if the interceptor missile fired from across the gulf passed its target and kept plowing toward the Keys.

4.   As he was about to step out of bounds, Collins fired back across his body to Hilliard.

5.   A few thunderstorms will fire across the mountains of eastern Colorado and New Mexico.

6.   A cultural icon, it was a shot fired across the bow of big American iron and gas guzzlers.

7.   If you fire your gun across a chasm, the bullet takes a long time to hit the other side.

8.   Israeli warplanes struck targets in southern Lebanon in retaliation for antitank grenades fired across the border by the Lebanese group Hezbollah.

9.   It is a measure of growing tension that twice last month the two countries exchanged mortar and machine-gun fire across the border near Bukavu.