An investigation is underway after a bus driver was threatened with a firearm at Ashcroft today.  About 9.15am on Saturday April 14 a man entered a bus on Elizabeth Drive armed with a firearm.  Police have been told the man threatened the driver before fleeing.  It’s not known whether the firearm was real or a replica.  No one was injured.  Police from Liverpool Police conducted a large search of the area.  However, they were unable to locate the man.  Inquiries are continuing and anyone with information is urged to come forward.