Explosion in Bangkok

This image released by the Royal Thai Police on August 19 shows a detailed sketch of the main suspect in the bombing.

Explosion in Bangkok

Messages and flowers for victims killed in the bomb blast are displayed outside the shrine.

Explosion in Bangkok

Damage from the blast is seen on the statue of Phra Phrom at the Erawan Shrine on August 19.

Explosion in Bangkok

Workers make repairs to the buildings in and around the Erawan Shrine on August 19.

Explosion in Bangkok

Workers build a dam from sandbags on August 19 as they attempt to seal off a canal to search for remnants of an explosive device that was thrown into the canal in Bangkok on Tuesday. Police spokesman Lt. Gen. Prawut Thavornsiri said Tuesday's blast at the Sathorn Pier was caused by a pipe bomb and could be related to the deadly explosion at a popular shrine in central Bangkok on Monday.

Explosion in Bangkok

Authorities have put down fresh cement where a bench used to stand and where they believe the bomb detonated. Thai authorities are searching for a suspect who was seen placing a backpack underneath the bench moments before the explosion.

Explosion in Bangkok

Family members gather around the coffin of a bombing victim on Tuesday, August 18. The death toll from the bomb blast in the Thai capital stood at 20 with more than 120 wounded, police said.

Explosion in Bangkok

A Thai lights a candle near the Erawan Shrine the day after the explosion in Bangkok.

Explosion in Bangkok

Police investigators work near the statue of Phra Phrom, the Thai interpretation of the Hindu god Brahma, at the Erawan Shrine the morning after the explosion.

Explosion in Bangkok

Thailand's prime minister on Tuesday promised that authorities would quickly track down those responsible for the central Bangkok bombing.

Explosion in Bangkok

Police and soldiers wash the street in front of the Erawan Shrine.

Explosion in Bangkok

Glass covering an advertising billboard is shattered.

Explosion in Bangkok

The explosion took place at the busy Rajprasong intersection near the Erawan shrine but also international hotels and shopping malls.

Explosion in Bangkok

Policemen inspect the cordoned-off site of a bomb blast in the heart of Bangkok's tourist and commercial center on Monday, August 17.

Explosion in Bangkok

Police dogs search the scene of the explosion.

Explosion in Bangkok

Authorities transport motorcycles destroyed in the blast.

Explosion in Bangkok

Rescue workers carry the body of a victim away from the scene.

Explosion in Bangkok

A wounded person lies on a gurney at the Police General Hospital in Bangkok.

Explosion in Bangkok

Police officers watch security video footage.

Explosion in Bangkok

A Thai Army officer collects evidence in the street.

Explosion in Bangkok

Emergency response personnel inspect the scene of the explosion August 17.

Explosion in Bangkok

A police officer investigates the scene at the Erawan Shrine.

Explosion in Bangkok

Police take photos at the scene of the explosion August 17. A bomb exploded in front of the shrine shortly after 7 p.m., a news report said.

Explosion in Bangkok

Police enter the Erawan Shrine after the explosion. The shrine sits at a busy intersection, with the city's Skytrain rumbling nearly overhead.

Explosion in Bangkok

A bomb disposal team member suits up in the middle of an intersection after the blast.

Explosion in Bangkok

A police officer addresses the media after the explosion.

Explosion in Bangkok

Destroyed motorcycles lie among debris after a blast near a popular Hindu shrine in Bangkok on August 17.

Explosion in Bangkok

A Thai soldier stands guard at the scene of the blast.

Explosion in Bangkok

Thai soldiers inspect the scene of the explosion on August 17.

Explosion in Bangkok

Rescue workers carry an injured person after the bomb exploded on August 17.