Thai police confirmed bomb blasts in Bangkok on Friday morning and two people were reportedly injured.

One bomb went off on a sidewalk in an alley in Rama IX area, injuring two street sweepers who were rushed to a hospital, according to police.

Two explosives exploded in bushes just outside the Government Complex in Chaeng Wattana area on Bangkok's northern outskirts with no injuries reported.

Another explosive went off near a BTS elevated railway's Chong Nonsi station in Sathorn area. Exit doors at the station were temporarily closed for safety reasons. No injuries were reported at or near the BTS station.

Explosive Ordnance Disposal units have scrambled to the scenes to investigate.