Over 673,000 residents returned to Hong Kong via land checkpoints after a long weekend, leading to hours-long delays and unprecedented crowds. Some travelers reported being denied entry at Shenzhen Bay border before closing.

Thousands of Hongkongers were stuck for hours at multiple land checkpoints in what one traveller called “unprecedented” large crowds on Monday night, as more than 673,000 residents returned to the city from mainland China after the long weekend. Some were also reportedly turned away from the Shenzhen Bay border before its closing time on Monday night. Among the 740,000 residents entering the city on Monday, 90 per cent returned via land control points. According to statistics released by the...