Technical problems, communication failure among cause of LRT train collision on May 24 — Wee 10 Jun 2021 / 20:13 H. Pix for representational purpose only. — Bernama PUTRAJAYA: Technical issues and communication failure between the Operations Control Centre (OCC) and the hostler (driver) are among the causes that led to the collision between two Light Rail Transit (LRT) trains on the Kelana Jaya line on May 24, said Transport Minister Datuk Seri Dr Wee Ka Siong. He said the findings were contained in the report of the Investigation Committee set up to probe into the collision which occurred between the Kampung Baru and KLCC stations. The report was presented to the Cabinet yesterday (June 9).