ISIS terrorist group has claimed responsibility for Wednesday's attack on a military hospital in the Afghanistan’s capital of Kabul.

At least three people were killed and 54 more injured, the TOLOnews broadcaster said, citing the Public Health Ministry.

The majority of victims are hospitals’ employees, the news outlet added.

Earlier on Wednesday, a group of suicide attackers entered the Sardar Mohammad Daud Khan Hospital after an explosion at an entrance gate.

Afghanistan is in a state of political and social turmoil, with government forces fighting the continuing Taliban insurgency. The instability has persisted in the country since the 2001 US-led invasion to defeat the Taliban and al-Qaeda in the wake of the 9/11 attacks in the United States.

The lack of control and instability turned the country into home to the largest opium poppy production and distribution network in the world.