KABUL -- At least four people sustained injuries in a blast near the Ministry of Interior in Afghanistan's capital Kabul on Saturday morning, a police officer said.

The blast occurred in front of Shaikh Zayed Hospital close to the Ministry of Interior in Kabul's Police District 15, leaving four people injured, Khalid Zadran, spokesman of Kabul police chief, told Xinhua.

According to Zadran, the injured were shifted to a nearby hospital, and an investigation was being conducted.

No group claimed responsibility for the blast.