Two bombs have exploded in the Thai resort of Hua Hin, injuring 11 people, including foreign tourists, police say, reports BBC.

The bombs were hidden in plant pots and detonated by mobile phones, the police added.

Twin bombings are a regular occurrence in Thailand's three southern-most provinces, which have been wracked by an armed separatist insurgency for 12 years, says the BBC's Jonathan Head.

But such attacks are rare in tourist areas of Thailand, he adds.