The incident occurred at around 11 AM near Choudarpalli area of the district when a Karnataka State Road Transport Corporation (KSRTC) bus rammed into the side portion of the Telangana State Road Transport Corporation (TSRTC) bus resulting in death of four passengers travelling in the Telangana bus and injuries to 15 others in both buses, they said.
"The bus-driver of KSRTC who was consuming pan masala and was repeatedly spitting from the window and despite being warned by passengers he continued to do the same.
The KSRTC bus was on its way to Raichur in Karnataka from Hyderabad via Mahabubnagar while the TSRTC bus was proceeding to Mahabubnagar from Raichur, he said.
"The injured were rushed to a nearby hospital and condition of three bus passengers is serious," the DSP said, adding the KSRTC bus-driver has been taken into custody.
Further probe is on, he said.
