A car caught fire inside the tunnel beneath Sri Udom intersection on Udomsuk-Srinakharin Road in Prawet district, Bangkok, on Wednesday afternoon.
It caused a traffic jam, but no injuries were reported.
Firecrews rushed to the tunnel, where a car was reported engulfed in flames around 4pm, Uruphong radio centre tweeted.
Ruamduay Chuaykan rescue foundation Facebook reported later that firefighters brought the blaze under control. The car was burnt-out.
Police were investigating.
Uruphong radio centre tweets a car catches fire inside a tunnel beneath Sri Udom intersection in Prawet district, Bangkok.(@UruphongFire tweeter)
A car bursts into flames inside a tunnel heading to Bang Kapi on Wednesday afternoon. (@Nattajak_ang tweeter)