Both the United States and some leaders in Europe have threatened to impose tougher sanctions against Moscow if it does not stop supporting pro-Russian separatists in eastern Ukraine.
ການເຄື່ອນໄຫວ ໃນ ຢູເຄຣນ
![A priest bows as Russia-backed separatist fighters drive in a self-propelled 152 mm artillery piece, part of a unit that was moved away from the front lines, in Yelenovka, near Donetsk, Feb. 26, 2015.](https://gdb.voanews.com/67125015-f7f5-4588-94e2-0bebb3225b16_w1024_q10_s.jpg)
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A priest bows as Russia-backed separatist fighters drive in a self-propelled 152 mm artillery piece, part of a unit that was moved away from the front lines, in Yelenovka, near Donetsk, Feb. 26, 2015.
![A Russia-backed separatist fighter sits in a self-propelled 152 mm artillery piece, part of a unit that moved away from the front lines, in Yelenovka, near Donetsk, Feb. 26, 2015.](https://gdb.voanews.com/6d6438cc-d088-4b1d-b745-7a94ac9c7cf8_w1024_q10_s.jpg)
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A Russia-backed separatist fighter sits in a self-propelled 152 mm artillery piece, part of a unit that moved away from the front lines, in Yelenovka, near Donetsk, Feb. 26, 2015.
![Russia-backed separatist fighters stand on self-propelled 152 mm artillery pieces, part of a unit that moved away from the front lines, in Yelenovka, near Donetsk, Ukraine, Feb. 26, 2015.](https://gdb.voanews.com/6df89acd-5bfa-495f-81cb-8fb45923e8a2_w1024_q10_s.jpg)
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Russia-backed separatist fighters stand on self-propelled 152 mm artillery pieces, part of a unit that moved away from the front lines, in Yelenovka, near Donetsk, Ukraine, Feb. 26, 2015.
![In a long-awaited development, Ukrainian forces and pro-Russian separatist fighters announced they are moving heavy weapons from the front line in eastern Ukraine. In this photo, a Ukrainian serviceman speaks with local schoolboys in the village of Chermalyk, eastern Ukraine, Feb. 26, 2015.](https://gdb.voanews.com/f857e4a3-9a84-409f-9645-4609ef2e15a6_w1024_q10_s.jpg)
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In a long-awaited development, Ukrainian forces and pro-Russian separatist fighters announced they are moving heavy weapons from the front line in eastern Ukraine. In this photo, a Ukrainian serviceman speaks with local schoolboys in the village of Chermalyk, eastern Ukraine, Feb. 26, 2015.