Gadhafi forces barrage rebels in east and west

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TRIPOLI, Libya — After dramatic successes over the past weeks, Libya's rebel movement appears to have hit a wall of overwhelming power from loyalists of Moammar Gadhafi. Pro-regime forces halted its drive on Tripoli with a heavy barrage of rockets in the east and threatened Tuesday to recapture the closest rebel-held city to the capital in the west.

If Zawiya, on Tripoli's doorstep, is ultimately retaken, the contours of a stalemate would emerge — with Libya divided between a largely loyalist west and a rebel east as the world wrestles with the thorny question of how deeply to intervene.

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Gadhafi forces barrage rebels in east and west