Hong Kong authorities have raised outbound travel alerts for Israel and Iran to the highest “black” level, citing a rapidly deteriorating and unpredictable security environment as tensions in the region escalate.

The move reflects mounting concern over the intensity of hostilities and the risks posed to civilians, including foreign nationals.

Under the city’s travel advisory system, a black alert signifies a severe threat to personal safety, with residents strongly advised to avoid all travel to the affected destinations.

Officials said the decision was prompted by the latest developments in the ongoing conflict, where military exchanges and instability have created conditions that could endanger travellers.

Residents already in Israel or Iran have been urged to prioritise their safety and consider leaving or relocating to safer areas as soon as circumstances allow.

The alert system, which assesses risks across major travel destinations, is designed to guide the public on potential threats abroad.

The black designation represents its most serious warning, indicating that the security situation has reached a level where travel is deemed unsafe.

Alongside the highest-level alerts, authorities have also expanded cautionary notices for other areas, signalling broader regional uncertainty linked to the conflict.

The Security Bureau said it would continue to monitor developments closely and issue further updates as needed.

Hong Kong residents in affected areas have been advised to remain vigilant, follow guidance from local authorities, and stay in contact with consular services for assistance.

The government has also encouraged travellers to register their details through official channels to receive timely safety information.

The escalation in travel warnings underscores the wider impact of the conflict on global mobility, as governments respond to heightened risks and rapidly shifting conditions across the Middle East.