Two people have been killed and nine others injured in a shooting along Tel Aviv's Dizengoff Street.

Magen David Adom paramedics at the scene provided first aid treatment to four seriously injured victims - including two in critical condition - and three in moderate condition, as well as the fatally injured victim, who they were forced to pronounce dead at the scene.

It is not yet clear whether the incident was a terrorist attack or criminal-related.

The shooting took place at Dizengoff 122, close to Dizengoff Center Mall, as the area was packed with people. It began at a popular pub, and the attacker reportedly shot at several other institutions as well as at pedestrians walking along the street. 

Paramedics reported "difficult scenes," with multiple casualties lying on the street with multiple gunshot wounds.

Contrary to initial reports, the gunman managed to flee the scene on foot. Police are currently in hot pursuit.

Witnesses say at least 10 gunshots were heard at the scene, apparently from an assault rifle.

One witness who works at the pub targeted by the gunman said the killer first sat on a nearby bench and waited calmly until the bar filled with people, and then began shooting randomly.

In the past few minutes armed police have surrounded a nearby building and have sealed off the area as they move in on the suspect.

Residents have been warned to stay indoors.