The US embassy in Sri Lanka issued a travel warning to citizens visiting a popular surfing resort in a rare notice of a possible attack, AFP reports.

The embassy said it had “received credible information warning of an attack targeting popular tourist locations” in eastern Arugam Bay.

The warning comes after social media posts called for a boycott of Israeli-owned businesses in the area.

Protests by local Muslim groups against Israel’s incursion in Gaza and Lebanon have drawn support from the wider community in the predominantly Buddhist South Asian nation.

There was no immediate reaction from Sri Lankan authorities, but police have stepped up security in the area.