Xinhua Asia-Pacific news summary at 1600 GMT, Sept. 9

SEOUL -- Twenty-two people were injured on Tuesday as gas leaked in South Korea's chip-making plant, according to Yonhap news agency.

The gas leakage incident occurred around 2:35 p.m. local time (0535 GMT) at a semiconductor manufacturing plant in the country's western port city of Incheon. (S. Korea-Gas Leakage)

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KATHMANDU -- Nepali Prime Minister KP Sharma Oli on Tuesday offered to resign in a letter submitted to President Ram Chandra Poudel.

"Keeping in mind the abnormal situation of the country, I resign as prime minister," Oli said in a letter submitted to the president. (Nepal-PM-Resignation)

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TOKYO -- Japan's Liberal Democratic Party (LDP) has decided to hold its upcoming leadership election in a full-scale format, including votes from both lawmakers and rank-and-file party members, to select a successor to Prime Minister Shigeru Ishiba.

At a meeting on Tuesday, party executives agreed that the election will be officially announced on Sept. 22, with lawmakers casting their ballots on Oct. 4. (Japan-LDP-Election)

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BANGKOK -- Thailand's Supreme Court ruled on Tuesday that former Prime Minister Thaksin Shinawatra was unlawfully allowed to stay in hospital detention and should return to prison to complete his sentence.

The court's Criminal Division for Holders of Political Positions concluded that Thaksin's prolonged hospital stay does not count toward time served for a one-year sentence. (Thailand-Court-Thaksin) Enditem