Clogged toilets force Delhi-bound Air India flight to return to US after 10 hours

An Air India flight from Chicago to Delhi was forced to return after 10 hours as 11 out of the 12 toilets became clogged, several reports said. However, Air India didn't reveal the reason but said the flight returned due to a "technical issue". The aircraft was reportedly grounded for two days for maintenance and cleaning, a report said.