4 people arrested after haul of suspected chemicals, weapons found near Hong Kong school

The force seized weapons and equipment such as axes, military knives and wire cutters at the scene. Many bottles containing unknown liquids, funnels, containers and burned wood were also discovered there.

Bomb disposal and counterterrorism officers were also called in to secure the scene and process the items.

A police source said about 20 bottles containing suspicious chemicals were being tested by the bomb experts.

Police said earlier they were searching for two men aged 15 to 20 in connection with the case.

The source said the four people had been arrested as investigations were under way.