Search area widened for second black box after China Eastern plane crash

Soldiers hold shovels as they preparing to head to the crash site of China Eastern flight 5735 (Ng Han Guan/AP)

The search area for the second black box from a passenger jet which crashed in southern China with 132 people on board has been expanded, state broadcaster CCTV said.

It comes as intermittent rain impeded the search for a second day.