Three India-bound Boeing 787 Dreamliners have been forced to return back to base within a 36-hour period after being hit with problems. The Air India passenger jets -the same type as the aircraft involved in last week's tragedy in Ahmedabad- suffered a mix of issues from a bomb threat to a technical glitch.

Air India cancelled six international flights operated by Boeing 787-8 Dreamliners on Tuesday, following heightened scrutiny of the aircraft

An Air India Boeing 787-8 Dreamliner plane was forced to turn around on Monday after a suspected mid-air technical issue. The aircraft, which was bound for New Delhi, returned to Hong Kong after the pilot believed there was an issue, a source told Reuters.