Police are hunting a terror suspect believed to be at large in Bangkok as the number of foreign embassies issuing travel warnings to Thailand increased to 11 Saturday.

Late on Friday night police released a sketch of a man suspected of entering Thailand to launch terrorist attacks, hours after Atris Hussein, a Swedish-Lebanese man with suspected links to the Hezbollah militant group, was apprehended by Thai police at Suvarnabhumi airport.

The suspect is a white Middle-Eastern man who is about 180 cm tall with short hair and stubble. Those who believe they may have spotted the suspect are being urged to report to the nearest police station or call 191, said police spokesman Piya Uthayo.

Read more: Bangkok Post