Hong Kong will suspend flights from India, Pakistan and the Philippines from April 20 for two weeks after the N501Y mutant COVID-19 strain was detected in the Asian financial hub for the first time.
The three countries would be classified as "extremely high risk" after there had been multiple imported cases carrying the strain into Hong Kong in the past 14 days, the government said.
The city reported 30 new coronavirus cases on Sunday, 29 of which were imported, marking the highest daily toll since March 15. Hong Kong has recorded over 11,600 cases in total and 209 deaths.
Hong Kong authorities have been urging residents to get vaccinated for coronavirus with only around 9 per cent of Hong Kong's 7.5 million residents vaccinated so far.
The government last week widened the city's vaccine scheme to include those aged between 16 to 29 years old for the first time, as they aim to boost lacklustre demand for inoculations amongst residents.
Airlines impacted by Hong Kong's ban on travellers from India, Pakistan and the Philippines include carriers such as Cathay Pacific, Hong Kong Airlines, Vistara and Cebu Pacific.
Israel said it carried out a warning strike against an extremist group that was preparing to attack Druze in Syria, following through on its pledge to protect the minority group as violence spread in Druze areas near Damascus on Wednesday.
Swarms of Russian drones attacked the Ukrainian cities of Kharkiv and Dnipro late on Tuesday, killing at least one person and injuring at least 46, officials said.
At least 14 people died in the eastern Indian city of Kolkata late on Tuesday when a fire blazed through a six-storey hotel in a congested neighbourhood, authorities said.
Spain and Portugal switched their power back on after the worst blackout in their history, though authorities offered little explanation for what had caused it or how they would prevent it from happening again.
The head of Israel's domestic intelligence agency, Ronen Bar, announced he will resign on June 15 amid pressure from Prime Minister Netanyahu and ongoing legal proceedings.
President Donald Trump touted what he called a series of major economic wins and forcefully attacked Democrats during a rally in Michigan on Tuesday to commemorate his first 100 days in office.
Canadian Prime Minister Mark Carney's Liberals retained power in the country's election on Monday, but fell short of the majority government he had wanted to help him negotiate tariffs with US President Donald Trump.