Description:The stricken Kulluk drilling rig is to towed to safety after it ran aground in stormy weather last week. The Shell oil rig was refloated off the coast of Alaska where it hit shallow waters in a storm on New Year's Eve storm. Experts will now assess its seaworthiness in the safe harbour of Kiliuda Bay. It's unclear whether the rig will be fixed there, or continue on to Seattle for planned maintenance.(0:42)