The Electrical and Mechanical Services Department has given CLP Power four weeks to submit a report on a voltage dip on Monday, that led to people being trapped in lifts. Authorities said the incident - which affected Tsuen Wan, Kwai Chung, and Tsing Yi - happened at around 3.15 pm, with police receiving multiple reports of the sound of an explosion at a CLP substation in Tsing Yi. Robert Kemp reports:

Security Secretary Chris Tang says the authorities will review cross-border travel arrangements after hundreds of mainland tourists were left stranded after the fireworks display on New Year's Eve. Violet Wong reports:

Chief Executive John Lee says Hong Kong will become even more dazzling a place this year if people come together to make it happen. He has set himself two major tasks to improve life in the city, as Violet Wong reports:

Hong Kong's 470 new district councillors have been sworn in. They took their oaths of office on Monday, with Chief Executive John Lee urging them to serve as a bridge between the government and the public. Frank Yung reports:

Chief Secretary Eric Chan says safeguarding national security will continue to be Hong Kong's top priority. Frank Yung reports:

The medical-sector lawmaker has welcomed plans to require children aged seven and under to use car seats. The Transport and Logistics Bureau is currently working on drafting amendments with the aim of submitting them to Legco this year. Lawmaker David Lam, who has called for stricter road safety regulations, says children need better protection as adult seatbelts are unsuitable for their size. But he told Samantha Butler that new rules would be difficult to implement in public transport and taxis:

This week, Tech Tuesday looks at claims from an American marketing company that it can eavesdrop on people's conversations via their smartphones. Cox Media Group said its "active listening" feature would allow it to deliver personalised ads. The notice caused panic among consumers and the group has since removed the web page that advertised the feature. Violet Wong and Raj Shroff find out how people can guard against eavesdropping devices:

2024 will be a big election year around the world and that includes in the US, where former president Donald Trump is hoping to be the Republican nominee to face off against incumbent Joe Biden. But Trump has been disqualified from running as a presidential candidate in two states, Colorado and Maine. So what does it mean for this year's general election? RTHK's Washington correspondent, Barry Wood, spoke to Samantha Butler: