Picture: @firstgroup_FRT/Twitter.
Pretoria - At least 20 people have been injured after a plane crashed in Pretoria, paramedics confirmed on Tuesday.

According to reports, the plane crashed on Moloto road next to the Wonderboom airport but it remains unclear what caused the crash.

Spokesperson Ernie McCarthy confirmed the incident and that Emer-G-Med paramedics were attending to the scene. 

"At this stage, we can confirm that crew members are attending to the scene of a crash," he said. 

He was unable to confirm the number of those injured, though ER24 said 20 people had been injured as a result.

ER24 spokesperson Russel Meiring said ER24 paramedics, along with several other services, are currently on the scene treating and triaging the patients.

"Initial reports show that approximately 20 people had sustained injuries ranging from minor to critical. Paramedics are treating the patients and will thereafter transport them to nearby hospital for further treatment.

"The ER24 Oneplan Helicopters are currently on the scene to airlift any critical patients to hospital.

《Tswhane》 @EMER_G_MED on scene attending to a plane crash on the Moloto Road. Multiple patients on scene. @_ArriveAlive @ewnupdates @IamAlexSweet pic.twitter.com/rnefzXXyTh

ER24 on scene at an aircraft crash in Wonderboom. Various services on scene. Update to follow. @ewnupdates @eNCA @JacaNews @_ArriveAlive

The plane was marked Martin's Air Charter, but no information was immediately available about the air company.

"I can only confirm that yes we do have a plane that crashed… on the Moloto Road," local government emergency services spokesperson Johan Pieterse told AFP.

The details surrounding this incident are not yet known.

* This is a developing story

AFP and IOL