US Secretary of State Marco Rubio said Washington is concerned about incidents in which American-linked vessels and US oil supplies have been targeted by Ukraine, stressing that such incidents must stop.
Speaking to Fox News, Rubio said the incidents may not have been deliberate but nonetheless require attention from Washington and Kyiv.
Rubio said the US was concerned about the situation and would work to bring an end to such incidents.
By Sabina Mammadli
