Johannesburg - Two men were injured, one critically, in an explosion at a petrol station in Newcastle, KwaZulu-Natal paramedics said on Friday.

“The incident occurred when one petrol tank apparently exploded while the men were working on it,” ER24 spokesman Russel Meiring.

The explosion happened on Thursday at the Allen and Harding road intersection.

The men were treated on scene and taken to Medi-Clinic Newcastle for further medical treatment.

The cause of the incident was not known.

Provincial police spokesman Captain Thulani Zwane confirmed the incident but said a case had not been opened. - Sapa