KUALA LUMPUR, April 23 -- Heavy thunderstorms overnight have triggered flash floods in parts of the Klang Valley this morning, submerging key highways and causing severe traffic congestion.

At 8.32am, the official PLUS Traffic X account also reported a flash flood on the Elite Highway at the Shah Alam Interchange heading towards Seafield, with the left lane obstructed and traffic heavily backed up. Motorists have been advised to seek alternative routes.

PLUS also stated that flooding has also been reported on the NKVE at Km 9.1, northbound from Shah Alam to Subang. The emergency, left, and middle lanes have been closed, causing a major jam stretching to the Setia Alam Interchange.

According to Bernama, Selangor Fire and Rescue Departme...