So far, arrest warrants have been issued for 17 people in connection with the attack.
Thai authorities has made it more difficult to renew travel visas after the deadly attack in Bangkok
The suspect has bribed a Thai official to enter Thailand, according to AFP
The motive for the shrine attack -- Thailand's worst single mass-casualty attack -- remains shrouded in mystery.
Speculation has focused on which groups could have motive and capability to carry out the bombing.
Thai police said they had checked arrivals of Turkish nationals who entered Thailand around two weeks before the blast
"He [the suspect] spoke Thai but spoke with a foreign accent. I don't think he was Thai. He was the same...
There has been no claim of responsibility and police have not determined a motive for the worst ever bomb attack in...
Experts say the unprecedented scale of the attack suggested a possible link to groups such as Islamic State or al...
Vietnam's foreign ministry advises caution for tourists traveling to the Thai capital
It was unclear whether the man was Thai or a foreigner.
The government says the attack was aimed at wrecking the economy, which depends heavily on tourism.
A Vietnamese national was injured in the Monday blast, which killed at least 20 people