China says it has summoned the Japanese ambassador to voice opposition to the release of water from the stricken Fukushima nuclear plant. Hong Kong will start banning sea products from 10 Japanese prefectures from Thursday, when Japan is expected to release more than 500 Olympic swimming pools' worth of water that was used to cool the nuclear plant. Fukushima was knocked out by a massive earthquake and tsunami in 2011, as Ada Au reports:

Local businesses are bracing themselves for the fallout of Japan's decision to release treated radioactive water into the Pacific Ocean. Wendy Wong reports:

The chairman of the Hong Kong Japanese Food and Cuisine Association says he expects the ban on Japanese seafood imports to result in a drop of at least 20 to 30 percent for restaurants. Dennis Wu said even though the ban was on 10 Japanese prefectures, it would give the perception that the entire Japanese food industry was 'in danger'. He said he expected customers would be more reluctant to eat Japanese seafood in the coming weeks. He also told Ben Tse that some supermarkets had already seen sales of sashimi drop by a third since June:

A former student has lost his final appeal to shorten his jail term in a national security case. Lui Sai-yu was denied the customary one-third sentence reduction for pleading guilty, with the Court of Final Appeal ruling that sentencing provisions of the security law take precedence over other local laws. Violet Wong reports:

Executive councillor and barrister Ronny Tong says the top court made itself clear that sentencing provisions of the national security law take priority over local laws. And he told Vanessa Cheng that he was not worried this could lead to fewer defendants pleading guilty in future:

One of a dozen people who allegedly tried to leave the SAR by speedboat three years ago has been handed back to Hong Kong by mainland authorities. He is due in court on Wednesday, as Elvis Yu reports:

A new one-off allowance for those living in transitional housing is expected to benefit about 35,000 people. The payment aims to help them adjust to their new communities. Anne Chan reports:

Officials are providing more help to residents of a Ho Man Tin rehab centre who will need to be moved because subsidence was spotted at the facility. Labour and Welfare Secretary Chris Sun said those who needed to be evacuated would be well taken care of. Damon Pang reports:

Two government primary schools will merge next year due to the continuing decline in Hong Kong’s student population. The Education Bureau says the merger makes sense because the two schools share the same origin and have similar backgrounds. Ada Au reports:

Researchers from Metropolitan University say women in their study had a greater perception of dementia risk than men, and as a result tended to adopt a healthier lifestyle. The university, together with the Hong Kong Lutheran Social Service, surveyed over 1,100 elderly residents aged 55 or above by looking at their retinal images. Vivian Tsang from the university's Department of Social Sciences was the principal investigator of the research. She told Samantha Butler that almost half of the participants were at medium risk of dementia:

Asian Games silver-medallist Sam Wong took up his role as Commissioner for Sports on Tuesday. He is tasked with promoting sports in the SAR, supporting elite athletes and promoting Hong Kong as a centre for major international sports events. Hailey Yip reports:

Accountancy firm PriceWaterhouseCoopers says it will take at least a year for Hong Kong’s retail sales to get back to pre-Covid levels, with a weaker yuan and disappointing tourist numbers taking a toll. PwC says it expects total retail sales to grow by 17 percent this year to more than $400 billion. The firm's consumer-markets leader, Michael Cheng, said the weaker yuan had left mainland visitors unwilling to spend. Cheng also told Kelly Yu that he was not optimistic about a government plan to revive Hong Kong’s night-time economy:

British chip designer Arm says it plans to list in New York, in what could be the biggest US share offering in years. Sean Kennedy reports:

The former prime minister of Thailand, Thaksin Shinawatra, has returned to the country after 15 years of self-imposed exile and has been immediately imprisoned. But it is widely believed he will not serve his eight-year sentence for corruption in full. He arrived just hours before a candidate from his own party - property tycoon Srettha Thavisin - became Prime Minister. Following elections in May, his Pheu Thai party entered a coalition with military parties linked to the coup that removed them from power in 2014. Annemarie Evans spoke to RTHK's Southeast Asia correspondent Larry Jagan about the significance of Thaksin's return: