It's a race against time that is being played out in Thailand after the sinking of a military ship.
A Royal Navy rescue operation is underway to try to find 31 people missing offshore after the boat began to sink overnight Sunday to Monday.
About ten passengers were rescued from the choppy waters.
"We are still looking for 31" of HTMS Sukhothai's 106 crew, said Admiral Pogkrong Montradpalin, spokesman for the Royal Thai Navy.
The Air Force announced on Monday that it was involved in the rescue operation, without providing further details.
During the night from Sunday to Monday, the crew "lost control" of the ship, which began to sink shortly after midnight, 22 nautical miles (37 km) from the coast, at Bang Saphan, in the province of Prachuap Khiri Khan (south).
Following the "high tide", the electrical system of the patrol corvette was damaged, to the point of causing the shutdown of the machines ensuring its operation, he explained.
Images released by the navy show the ship, completely leaning on one side, half engulfed by the waters.
On land, people covered in blankets waited to be treated in a hospital, according to a video clip.
“I follow the information carefully.
There are about five seriously injured,” said Prime Minister Prayut Chan-O-Cha, a former army general who also serves as defense minister.
Dangerous storms at sea
Some 75 people were rescued by the rescue mission, which includes two military helicopters, two frigates and an amphibious ship dispatched to the scene, according to a navy statement.
Some of them jumped into lifeboats in the middle of the night, according to official footage.
Several regions in southern Thailand have been affected by thunderstorms and heavy showers in recent days, notably causing the interruption of ferry traffic between the mainland and the tourist island of Koh Samui on Sunday and Monday.
Thailand's meteorological service warned on Monday that small boats should not set sail in the Gulf of Thailand due to thunderstorms.
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