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Ukrainian servicemen prepare ammunition at a position on the frontline near Mariupol on January 26.
Ukrainian servicemen prepare ammunition at a position on the frontline near Mariupol on January 26.

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    U.S. considers 'lethal aid' for Ukraine

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U.S. considers 'lethal aid' for Ukraine

Sec. of State John Kerry is in Ukraine, in the midst of a grave escalation on the ground. CNN's Jim Sciutto reports.

U.S. considers 'lethal aid' for Ukraine

Sec. of State John Kerry is in Ukraine, in the midst of a grave escalation on the ground. CNN's Jim Sciutto reports.