Russia vows retaliation after saying it downed eight US-made long-range missiles

Russia has vowed retaliation after claiming to have shot down eight US-made ATACMS missiles fired by Ukraine on Saturday morning. Moscow sees the use of such missiles, which have a range of up to 300 kilometers (186 miles) as a major escalation.

​ Russia has vowed retaliation after claiming to have shot down eight US-made ATACMS missiles fired by Ukraine on Saturday morning. Moscow sees the use of such missiles, which have a range of up to 300 kilometers (186 miles) as a major escalation. Read More Breaking News, Latest News and Videos | CNN