A man armed with a knife stole money from a clerk at the Byrne Dairy in Mattydale on Friday night.  Investigators say the man, possibly Hispanic, wearing a black ski mask and black clothes, robbed the store at 2307 Brewerton Road about 11:30pm Friday.   No one was hurt.  The man was last seen riding a BMX style bike toward Kirsch Drive.

Anyone with information can call the Sheriff's Criminal Investigators at 435-3081, or email  sherifftips@ongov.net