India, Dec. 28 -- Residents in Castaic have been asked to shelter in place following a gas leak and possible explosion, according to Fox 11 Los Angeles. The leak was reported around 4:30 pm Saturday, December 27, near Ridge Route Rd. and Pine Crest Place.

The gas line rupture happened on a hill above the 5 Freeway just north of Lake Hughes Road. It soon prompted a SigAlert shutting down the freeway in both directions in the area, California Highway Patrol Officer M. Curtiss said. All lanes of Pearblossom Highway (state Route 138) and state Route 126 are also closed down.

It remains unclear when the roads and freeway will reopen.

Some people in the area, and even some in Granada Hills, Porter Ranch, and Sylmar, have reported a strong sm...