A series of bombs in Thailand have killed several people and injured more than 20.

A double explosion in the Southeast Asian nation’s resort town of Hua Hin Thursday night local time killed one person and injured 20, including foreign tourists Associated Press reports. The two bombs, which went off 20 minutes apart, were hidden in plants on a busy street and were detonated from mobile phones, said the superintendent of police in Hua Hin, Pol. Gen. Sithichai Srisopacharoenrath. The attack happened in a popular nightlife area.

“Of the 19 [wounded], three are in serious condition and seven of the injured are foreigners – four women and three men,” Police Colonel Sutthichai told the Bangkok Post.

See also: Bomb Blast in Central Beirut Targets Bank

Separately, one person was killed and two injured in another double bomb attack Thursday in the southern province of Surat Thani, the Nation reports. The first explosion reportedly occurred outside the marine police station and the second half an hour later in front of a police station, Police Gen. Apichart Boonsriroj said.

There are also reports of multiple explosions in Phuket, a popular holiday destination for foreign tourists. At least one has been injured in an explosion on Patong Beach, Channel News Asia reports.

Earlier on Thursday a bombing took place in the southern province of Trang, killing one person and injuring six.

About 200 kilometers north in the Phang Nga province, local media has also reported that a market popular with tourists in Takuapa has been gutted by fire.

No one has claimed responsibility for the attacks.

The bombings coincide with the 84th birthday of Thailand’s Queen Sirikit.

This is a developing story.