A week after the deadly blast in Davao City, a number of bomb threat incidents caused suspension of classes despite the heightened alert across the country.

Authorities remind the public to take extra precaution with the threats issued by the Abu Sayyaf in response to the intensified military campaign ordered by President Duterte against the rebel group.

Given the consecutive bomb scare incidents reported in different parts of the country, here are some useful tips in responding to different forms of bomb threats.