Ottawa police are asking for help identifying  an armed suspect in a convenience story robbery on March 18, 2015.
 
It happened on Greenbank Rd. just before 9 p.m.  Police describe the man as white, six-foot-two, with a thin build. The suspect was armed with a knife and demanded cash. The employee fled the store which promted the suspet to leave shortly after, empty-handed.
 
No injuries were reported.
 
Anyone with information about the suspect or the robbery is asked to call the Ottawa Police Robbery Unit at 613-236-1222 ext: 5116. Anonymous tips can be submitted by calling Crime Stoppers toll-free at 1-800-222-8477 or by downloading the Ottawa Police iOS app.