Police are pursuing a robber who has been using a hypodermic needle as a weapon in the Bronx, NBC New York reported.

The suspect is described as a male about 40 years old with black hair and brown eyes who is 5-feet-6 inches tall and weighs 120 pounds. He was wearing a black hooded sweatshirt, a black t-shirt with blue lettering, gray jeans, black sneakers and a black leather New York Yankees cap when he was last seen.

He has committed two robberies within the last month. The first occurred at about 11 a.m. Thursday, Aug. 16 around Castle Hill Avenue and East Tremont Avenue in the Bronx. The second took place at around about 8:30 a.m. Tuesday near Roberts Avenue and East Tremont Avenue.

No one was injured in the robberies.

People with information about the robberies should contact Crime Stoppers by calling 1-800-577-TIPS, visiting www.nypdcrimestoppers.com, or texting tips to 274637 (CRIMES) and then entering TIP577.

Calls will be confidential.