UPDATE: Robbery Puts Lynbrook, ER Schools on Lock Down

This story was updated at 8:35 p.m. on Jan. 15.

Nassau County Police are still searching for the man who robbed an East Rockaway convenience store using a handgun late Tuesday morning.

According to detectives, a 56-year-old man working at Card Corner, located at 93 Main St., was approached at 11:18 a.m. by a white male who displayed a black handgun and demanded money. The victim complied, and the suspect then fled on foot southbound on Rhame Avenue with an undisclosed amount of cash. 

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The victim was in the store alone at the time of the incident. No injuries were reported. The suspect is further described as 6-feet tall with a slim build, wearing a blue sweater with a hood over his head, a white scarf over his face, dark pants and a blue and white baseball cap. 

Detectives ask anyone with information about this crime to contact Nassau County Crime Stoppers at 1-800-244-TIPS.  All callers will remain anonymous.

The incident put two East Rockaway public schools -- Rhame Avenue and Centre Avenue -- on lock down and Lynbrook public schools under a "lock out." The "lock out" was lifted for Lynbrook schools shortly after 1 p.m., according to the district's website, which stated, "We have been informed that it is safe to resume normal activity."

Check back for more updates on this story.