A bus carrying media members was shot at while transporting personnel between venues, according to multiple reports.

The incident smashed two windows and left three of the 12 journalists on board with minor injuries.

I wasn't on this particular bus. But having ridden through the neighborhood it was in, can't say I'm that surprised. pic.twitter.com/MESH5vrorn — Mark Zeigler (@sdutzeigler) August 10, 2016

Olympic organizers told the Associated Press they are unsure what struck the bus.

''We don't know yet if the bus was shot, or it was a stone,'' organizing committee spokesman Mario Andrada said.

''There was kind of a popping noise and something hit two windows on the side of the bus and left two hole marks, which looked like bullet holes,'' David Davies, a photographer for the British-based news agency Press Association, told the AP.

The incident potentially marks the second time bullets have flown in the vicinity of media members at the games. On Saturday, a bullet struck the roof of the media tent, but police insisted journalists were not being targeted.

Security has been high at the games - a suspicious package that was detonated over the weekend turned out to be a false alarm.