2 said trapped after roof collapse at South Africa hospital

Emergency staff work at the scene of a roof collapse at the Charlotte Maxeke hospital in Johannesburg, Thursday March 2, 2017. Local reports say at least two people are trapped in the rubble after some local officials earlier had raised concerns about safety issues at the hospital. (AP Photo) (The Associated Press)

Evacuated patients sit outside the Charlotte Maxeke hospital in Johannesburg Thursday March 2, 2017 after a roof collapse. Local reports say at least two people are trapped in the rubble after some local officials earlier had raised concerns about safety issues at the hospital. (AP Photo/Renee Graham) (The Associated Press)

Emergency staff work at the scene of a roof collapse at the Charlotte Maxeke hospital in Johannesburg, Thursday March 2, 2017. Local reports say at least two people are trapped in the rubble after some local officials earlier had raised concerns about safety issues in the hospital. (AP Photo) (The Associated Press)

Local reports say at least two people are trapped after part of a hospital roof collapsed in Johannesburg.

Paramedic company ER24 says rescue services are at the scene at Charlotte Maxeke hospital. Images posted on Twitter by ER24 show workers in hard hats scrambling to remove rubble.

Local broadcaster eNCA is reporting that some local officials earlier had raised concerns about safety issues at the hospital.