By Al Novack

PHILADELPHIA (CBS) — Police were kept busy with several violent incidents in the city overnight.

The first call came in at about 10 p.m. Tuesday in West Oak Lane. Authorities say a 33-year-old man responded to a knock on his front door and was greeted by a gunman who shot him multiple times. The gunman fled and the victim was pronounced dead on arrival at Albert Einstein Medical Center.

About an hour and a half later, gunfire was heard along the 5800 block of North 5th Street where two men in their early 20s were shot. One of them, a 21-year-old, was pronounced dead on arrival at Einstein. A 20-year-old man is listed in critical condition.

Just before 2 a.m. Wednesday morning, a 32-year-old man was shot dead in the 2500 block of North Marston Street in North Philadelphia.

Police have no suspects or motives for any of the shootings.

In addition to the shootings, a 29-year-old man was stabbed in the neck around 1:45 a.m. along West Grange Street. He is listed in critical condition at Einstein Hospital. Police have no suspects. They believe robbery may have been the motive.

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