The chairman of the Hospital Authority says it is unacceptable that a public hospital doctor prescribed more than 400 days' worth of psychiatric medication to a patient. Henry Fan said officials would review the matter and give doctors more guidelines. Damon Pang reports:

A heat spell which has already scorched the city for a week will likely continue into the weekend, potentially breaking a record for the longest heatwave since a warning system was introduced. The Observatory explained that under the influence of a subtropical ridge, it would remain very hot with a high of 35 degrees or above on Saturday. Raymond Yeung reports:

The prolonged heatwave has prompted the Observatory to issue the very hot weather warning for eight consecutive days, just one day shy of the record set in 2016. With the searing heat set to last through the weekend, Kimmy Lau spoke to acting assistant director of the Observatory, Cheng Yuen-chung, on what people should expect in the coming days

The government aims to set up a regulatory framework for online ride-hailing platforms within the next three years. Transport chief Lam Sai-hung also said tolls at the Tai Lam Tunnel would be lowered after the government takes back control next year and there were plans for a fourth cross-harbour tunnel. Anne Chan reports:

Travel time between Shenzhen and Zhongshan will be reduced drastically when a 24 km transport link swings into operation this weekend. Two key features in the project are the largest in the world. And as Wendy Wong reports, the new link is expected to further boost travel between Hong Kong and cities in the Greater Bay Area:

Hong Kong's innovation and technology chief says the city has the capability to handle cybersecurity threats. Sun Dong's assurance followed a string of recent ransomware attacks on government departments and public bodies, with some leading to data leaks. Frank Yung reports:

Hong Kong firms have been urged to align their practices in sustainability disclosure with international standards. The government says this will deepen the city's green and sustainable finance development. Frank Yung reports:

Organisers of the climate summit say Hong Kong should bring in more capital to support green projects and help companies make the transition to a low-carbon economy. The World Green Organisation is hosting the two-day event in Wan Chai and stressed the urgency to address the impact of climate change. The organisation's founder and chief executive officer, William Yu, spoke to Charlie Chun on the sidelines of the forum:

Hong Kong should explore ways to use hydrogen energy as soon as possible, according to a green tech expert. Guangfeng Ou, a senior researcher and engineer with New Spark Corporation, acknowledged there were still technical barriers to overcome before hydrogen could be widely used as a clean and efficient fuel. He said efforts should be made to overcome these challenges. He told Charlie Chun that his research team was studying ways to convert waste into hydrogen energy.

A youth empowerment NGO in Hong Kong says adults need to be more proactive in reaching out to young people in their lives and listening to their story in a non-judgemental way. World Drug Day was held this week, promoting compassion, a respect for human rights and an understanding of the social, economic, and health implications of drug use. The United Nation's campaign also wants to raise awareness on the importance of investing in prevention. Sky Siu, executive director of Kely Support Group, told Carol Musgrave that more young people are sharing their stories with substance abuse, which helps shed the taboo around the issue:

Researchers at the University of Hong Kong say they have created a model that has the potential to expedite the development of anti-ageing products and drugs to combat age-related diseases, such as cancer and Alzheimer's. The research team said their model was based on a new cellular system they developed. Natasha Ho reports:

The Communist Party of China has expelled two former defence ministers for what it said was a "serious violation of party discipline and the law". As Aaron Tam reports, Xinhua news agency reported that the two men were Wei Fenghe and his successor Li Shangfu:

A Shanghai-based professor of politics says he believes authorities will adopt a gradual approach to any major structural economic reforms that are implemented, amid the nation's post-pandemic recovery. Josef Gregory Mahoney from the East China Normal University says there is a need to tackle insufficient demand in the domestic economy. He told Ben Tse that it was not clear why the third plenum was delayed by several months:

President Biden and former president Donald Trump are set to face off in a highly-anticipated presidential debate at 9 o'clock on Friday morning. It will be a critical event for the two, who are neck-and-neck in opinion polls. Both sides have agreed to a series of debate rules aimed at minimizing the prospect of a shouting match. Azam Khan reports:

The presidential debate comes on the same day of a contentious US Supreme Court ruling allowing emergency abortions in the state of Idaho - for now. Azam Khan reports:

Two giant pandas have arrived at San Diego Zoo in the United States, from Ya'an City in southwest China's Sichuan Province. Their relocation marks a new round of giant panda protection cooperation between the two countries, following the agreement signed in February between the China Wildlife Conservation Association and the San Diego Zoo. Azam Khan reports:

Rising badminton star Happy Lo is looking forward to her first-ever Olympic Games. Going at the young age of 21, she says she just wants to enjoy competing amongst the best shuttlers in the world. Hailey Yip reports: