However, the investigation is taking into account various angles as the police detain 10 more in connection with the incident.
Chief Minister Shafie Apdal says the prime minister has agreed in principle for the National Security Council to hand over management of the island to the state government.
Tourism, Arts and Culture Minister Mohamaddin Ketapi says measures must be taken to ensure the safety of tourists following the death of two tourists and a diver.
The black box was orange in colour and intact.
Abalone is a delicacy prized in Hong Kong, mainland China and elsewhere in east Asia, where dishes featuring the marine molluscs are coveted at wedding banquets and can cost thousands of dollars.
The Amoco Cadiz tanker ran aground off the Brittany coast on March 16, 1978, causing one of the world's worst oil pollution disasters.
The Puchong tragedy reminds us how much we owe our firefighters.
Six firefighters had drowned while searching for his body yesterday.
Mohd Azzam Naim, whose son is feared to have drowned in a mining pool in Puchong, extends his condolences to the families of the divers who died looking for him.
Police say the divers followed SOP in donning complete diving gear, but a strong current caused them to spin in the water, displacing the equipment.
Mohammad Hamdan Wahid says the department has never lost so many personnel at the same time before.
The 62-year-old is part of a small community known as Thailand's "Indiana Jones" divers, who brave the inky-black underworld of the trash-filled waterway in search of coins, china, jewellery and scrap metal.
All the boys and their 25-year-old soccer coach were brought to safety over the course of a three-day rescue organised by Thai navy SEALs and an international team of diving and caving experts.
Anaesthetist Richard Harris and his diving partner Craig Challen, both cave diving specialists, played key roles in the rescue.
Last 5 exited the cave late Tuesday on the heels of a perilous rescue mission
Rescuers in Thailand deployed helicopters on Friday in a search for 29 people still missing after the sinking of a tourist boat off the island of Phuket, as the death toll in the incident rose to 27.
Attention has now turned to how to get the group back out through several kilometres of dangerously flooded tunnels.
Progress has been slowed as divers need to widen parts of a narrow 100-metre stretch that they were unable to pass through sharp bends without their air cylinders becoming jammed.
First Admiral Abu Bakar Idris does not rule out boring into the vessel if search and rescue divers fail to locate missing divers.
US Pacific Fleet Commander Admiral Scott Swift says the wider search for 10 sailors missing from the accident will continue until all hope is exhausted.