The first violent incident occurred around 12:15 a.m. on the 5600 block of Broomall Street in Southwest Philadelphia.
Police say a 53-year-old man was shot in the calf. He was transported to the hospital where he is listed in stable condition.
There is no word on a suspect or a motive.
This was the first of three shootings within an hour of each other in the city of Philadelphia.
In the city's Summerdale section, a 21-year-old man was shot multiple times. The shooting happened just after 12:30 a.m. Thursday on the 900 block of Bridge Street.
Witnesses say two men fled the scene in a Gold Colored Crown Victoria, last seen heading toward Roosevelt Boulevard.
The victim was rushed to the Albert Einstein Medical Center in critical condition having sustained two gunshot wounds to the side and another to the abdomen.
Around the same time in Philadelphia's East Mount Airy section, a 29-year-old man sustained a gunshot wound to the side.
The shooting happened near the intersection of Crittenden and Upsal Streets.
Police were called to the scene for the report of a man with a gun. When they arrive, officers found a man on the ground with a gunshot wound to the torso.
The victim is listed at an area hospital in critical condition.
The gunman fled on foot. He was wearing a white T-shirt with a black backpack.
In all three cases, the gunmen remain at large. If you have any information regarding the identity or whereabouts of the suspects, you are urged to contact police.