On the morning of December 2, Hanoi was enveloped in a dense, white haze as the air quality index (AQI) soared to 283 - categorized as “very unhealthy” and the highest recorded nationwide for the day.

Wang Fuk Court is one of many high-rise complexes in Hong Kong, one of the most densely populated areas in the world. Around 300,000 people live in the suburban district of Tai Po, near the border ...

At least 94 people have died and 279 are missing after Hong Kong’s worst fire in more than 100 years tore through several high-rise buildings on Wednesday afternoon, officials have said. Firefighters ...

After one of the driest Decembers in decades, Northern and Central California began to see rain again on Tuesday as a strengthening series of storms was set to soak the region, forecasters said. The ...

• 65 dead, many missing: The confirmed toll from Hong Kong’s deadliest fire in decades rose to at least 65 people, with many more still missing. CNN is at the scene and we’ll bring you the latest as ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where ...