China has almost doubled its tally of injured in Tibet's deadly earthquake as rescuers widened a search on Friday for survivors in a remote county near the foothills of the Himalayas, despite dwindling hopes for survival.

About 1,000 of the earthquake-proof and heated houses are being sent to Tingri and can be erected in about 10 minutes, reports say

Authorities moved more than 47,000 people to shelters in earthquake-hit Tibet, Chinese officials said on Thursday, while rescuers widen a massive combing effort for survivors near the foothills of the Himalayas,

By Joe Cash and Ryan Woo BEIJING (Reuters) -Authorities moved more than 45,000 people in earthquake-hit Tibet to shelters in a massive rescue operation near the foot of the Himalayas, as they wound down the search in a high-altitude environment where the odds of survival were always slim.