NEW YORK (CBSnewYork) -- A violent jewelry robbery was caught on video this week in Queens.

Surveillance video shows a man on bicycle attack a woman walking her dog in Flushing.

Police said he ripped multiple gold necklaces, worth approximately $1,100, off her neck.

It happened shortly after 9:30 a.m. Tuesday on Bleecker Street near Seneca Avenue.

Police said the 26-year-old victim was left with scratches but is expected to be OK.

Anyone with information about her attacker is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-8477 or for Spanish, 1-888-577-4782. Tips can also be sent to the NYPDTips Twitter account or submitted online at NYPDCrimeStoppers.com.