The vehicle belonged to French troops, though peacekeepers from other countries may have been on board, according to Lt. Col. Knut Peters, a spokesman for the 16,000-strong NATO-led peacekeeping force, KFOR.
"All six were injured; one of them is in serious condition" and being treated at a military hospital, Peters said.
No civilians were involved in the accident, the cause of which was being investigated, he said, without giving further details.
The NATO-led mission in Kosovo is in charge of securing the ethnically divided province, which has been administered by the United Nations since a 1999 bombing campaign forced and end to a crackdown by Serbian forces on ethnic Albanian separatists.
Riyadh will not make contradictory statements, nor will it ask for explanations, as Moscow does in the case of the poisoning of Sergei Skripal
Representatives of the Ministry for Foreign Affairs of the Russian Federation commented on the state of affairs in the Sea of Azov