Police will work with the Malaysian Communications and Multimedia Commission (MCMC) and CyberSecurity Malaysia (CSM) to track down the source of the email about a bomb threat at Bank Negara Malaysia (BNM) yesterday.

Kuala Lumpur police chief Allaudeen Abdul Majid said the probe into the threat was carried out after an investigation paper was opened under Section 507 of the Penal Code to identify the perpetrators.