The skipper and a crewman of the missing catamaran have been found safe, reported The Star Online.
The two were found in waters between Pulau Tiga and the Samarang offshore petroleum platform, said Malaysian Maritime Enforcement Agency (MMEA) deputy director for Sabah and Labuan Kapt Maritim Rahim Ramli.
They were found at about 2pm on Sunday and the search for the 28 Chinese tourists and another crew member is ongoing.
The news portal quoted Kapt Maritim Rahim as saying that MMEA was notified by the company which owned the catamaran that the skipper and the crewman had been found.
The boat was reported missing at about 9.50pm by its owner on Saturday.
It had set off from Tanjung Aru at 9am on Saturday, on its 56km journey to Pulau Mengalum.
Pulau Tiga is located about 53km away from Pulau Mengalum, and 50km from the Tanjung Aru jetty.
Meanwhile, Bernama reported that two vessels and a C130 aircraft have been mobilised in the search for the catamaran.
Royal Malaysian Navy chief Admiral Ahmad Kamarulzaman Ahmad Badaruddin said the two vessels were deployed to find the catamaran were KD Ganas and KD Serang.
“These vessels were dispatched to the search location since last night, together with a C130 aircraft owned by the RMAF. Both vessels will be involved in the search for the missing boat (and its passengers) involving an area of about 400 square nautical miles,” he told Bernama.