A plane carrying 128 people made an emergency landing in southwest China on Monday after a cockpit window broke, injuring the co-pilot and a flight attendant, authorities said.
The Airbus A318 of Sichuan Airlines was bound for Lhasa in Tibet from the southwest city of Chongqing when the incident occurred and the flight was diverted to Chengdu in Sichuan province.
Part of the cockpit window broke as the plane was flying over Chengdu, the Civil Aviation Administration of China said in a statement.
The co-pilot suffered facial injuries while the flight attendant was slightly hurt during the landing, the statement said.
The cause of the incident was under investigation. 
Images posted on the official People's Daily newspaper online appear to show a cockpit window completely missing.
A video shows oxygen masks deployed, and flight attendants walking up and down the aisle to give passengers instructions on how to disembark.
There were 119 passengers and nine crew members on board.
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