You're reading: Reuters: US says deeply concerned by spike in violence in eastern Ukraine

The United States is “deeply concerned” with the spike in violence in eastern Ukraine, which has caused dozens of Ukrainian military and civilian casualties, the State Department said on Jan. 31.

“To avert a larger humanitarian crisis, we call for an immediate, sustained ceasefire and full and unfettered access for” monitoring, acting spokesman Mark Toner said in a statement.

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