Four British climbers who were rescued from an expedition in the Himalayas have joined an aerial search to find eight fellow mountaineers.
Two Indian air force helicopters are searching the mountains for the missing group, made up of four Britons, two Americans, an Australian and an Indian.
The mountaineers began ascending Nanda Devi on 13 May with the four other climbers, who were rescued on Sunday.
The group of four has helped to narrow down the search area, officials said. Read more