The Chinese navy and air force are joining the search and rescue effort for the missing AirAsia plane.
The Chinese Defense Ministry says a frigate on routine patrol in the South China Sea is heading for the waters where the plane went missing.
An Air Force jet is also making preparations and coordinating with the countries on the flight route.
Indonesia is leading the search effort while Singapore, Malaysia, and Australia have contributed planes.
Earlier, the head of Indonesia's search-and-rescue agency said the missing jet with 162 people on board is believed to have sunk to the bottom of the sea.
Authorities say the search area is going to be widened on Tuesday.
Ebola has been confirmed in Glasgow, Scotland.
A healthcare worker who returned from Sierra Leone on Sunday has been confirmed as being infected with the virus.
The patient was admitted to hospital early Monday and placed in isolation.
The worker's return flight from Sierra Leone passed through Morocco and London Heathrow.
The individual is currently in isolation at a hospital in Glasgow and is expected to be transferred to London for further treatment.