21.   Before the war, the tunnel was used to test weapons, and the Serbs are believed to have stashed heavy weapons there for protection.

22.   But the statement said some mobile and well-equipped Chechen units were using underground tunnels to attack the Russians from the flanks and rear.

23.   Environmental and other activists strongly oppose letting trucks use the tunnel, which has served as a vital economic link in Europe.

24.   France, meanwhile, will apply tougher legal sanctions to immigrants caught using the tunnel to enter Britain illegally.

25.   Heavy trucks will be able to begin using the tunnel several weeks later.

26.   Heavy trucks will not be able to begin using the tunnel until several weeks after it reopens to car traffic.

27.   Heavy trucks will be able to begin using the tunnel several weeks later, once work is completed on traffic signals, the ministers said in a statement.

28.   However, most border tunnels are used to move only drugs.

29.   Investigators believe the Arellano Felix gang may have used the tunnel for more than a decade, Campos said.

30.   Israel says such tunnels are used by militants to smuggle weapons into the Gaza Strip.