A French vessel has been sent to Raroia atoll in French Polynesia to try to dislodge a large cargo ship stuck on a reef.
The Philippines-registered vessel carrying 20,000 tonnes of zinc and was on a trip from the United States to Australia when it developed engine problems last week.
The 132-metre long ship, Thorco Lineage, was discovered by locals after it hit the reef.
There is no sign of any marine pollution.
The French ship Bougainville and a tug will try to refloat the ship.
According to the French High Commission, the weather conditions are favourable.
It said a specialised tug is also expected from California to assist.