This is a developing story. We will update this article when more information is available.
Latest update: Security incident over.
Police have checked the unattended bag and nothing suspicious found.
A "security incident" has reportedly occurred at Hougang MRT station. Members of the public have been advised to avoid the area.
SECURITY INCIDENT AT HOUGANG MRT: The station appears to have been vacated, with no passenger sighted pic.twitter.com/J2QIuLMNFw
— TODAY (@TODAYonline) April 2, 2017