Three people were wounded in two separate incidents of gunfire Thursday afternoon and Friday morning, authorities said.

A 35-year-old and 20-year-old were transported to a local hospital with a non-life threatening injuries after shots were fired in the area of New Street and Ocean Avenue just before 1 a.m., Jersey City spokeswoman Kimberly Wallace-Scalcione said.

No arrests were made, but the investigation is ongoing, Wallace-Scalcione said.

The early morning shooting came hours after police investigated gunfire at Van Nostrand Avenue and Ocean Avenue at around 2:50 p.m., Wallace-Scalcione said.

A 17-year-old suffered what appeared to be a self-inflicted gunshot wound below his left knee and was transported to a local hospital, where he was stable condition as of Friday morning, Wallace-Scalcione said.

The juvenile was arrested and charged with weapons offenses, causing or risking widespread injury or damage, and aggravated assault with a deadly weapon, the spokeswoman said.

Officers also arrested Dahmar Robinson, 18, of Jersey City, and charged him with weapons counts, causing or risking widespread injury or damage, aggravated assault with a deadly weapon, and criminal attempt, Wallace-Scalcione said.

The shooter in the Van Nostrand Avenue incident was riding on a bicycle, police said in emergency radio transmissions.