Rebels based in the mountains and reached by telephone said on Tuesday that loyalist forces have been firing dozens of rockets at the road to disrupt supplies coming from the Dhuheiba crossing. Shelling has caused the road to intermittently close.

Rebels say forces loyal to Muammar Qadhafi have been shelling a supply route used to ferry supplies from across the Tunisian border to their hideouts in mountains in western Libya.

Rebels based in the mountains and reached by telephone said on Tuesday that loyalist forces have been firing dozens of rockets at the road to disrupt supplies coming from the Dhuheiba crossing. Shelling has caused the road to intermittently close.

The Libyan leader has been fighting rebels in the east since an uprising against his rule began in February. His forces control most of western Libya.

Outside pressure for Col. Qadhafi to resign has been mounting.

Turkish Prime Minister Recep Tayyip Erdogan said on Tuesday the Libyan leader must “immediately step down.”

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