PETALING JAYA: The Light Rail Transit (LRT) service in the Klang Valley was hit by technical glitches twice within 12 hours on Tuesday (Sept 25), with the later incident causing a massive passenger backlog during the evening rush hour.

The evening glitch was due to unstable signalling at Damai Station, Prasarana Malaysia Bhd said in a post on the RapidKL Facebook page at 5pm.