Police are investigating the attempted armed robbery of a hotel at Kingswood, in Sydney’s west, overnight.

Just before 10.30pm (Sunday 13 October 2013), a female employee was closing a hotel on the Great Western Highway when a man approached her.

Police have been told the man, who had his face concealed, ran towards her carrying a firearm.

The woman managed to close the doors and activate the security alarm before the man fled.

Police were alerted and officers from Penrith Local Area Command attended and conducted a canvass of the area; however, they were unable to locate the man.

An investigation into the incident is underway and anyone with information is urged to contact investigators.