Censor.NET reports citing the statement by a cting spokesperson for the U.S. Department of State Mark Toner.
"Since January 28, the OSCE's Special Monitoring Mission has reported a dramatic increase in fighting, including with heavy artillery and other weapons proscribed by the Minsk agreements," he said.
"The fighting has caused dozens of Ukrainian military casualties and 10 civilian casualties. It has also left 17,000 civilians, including 2,500 children, without water, heat, or electricity," Toner said.
"To avert a larger humanitarian crisis, we call for an immediate, sustained ceasefire and full and unfettered access for OSCE monitors. We also reaffirm U.S. support for full implementation of the Minsk agreements," the official said.
Earlier, United States Ambassador to Ukraine Marie Yovanovitch expressed concern about Avdiivka residents.
The fighting in the vicinity of Avdiivka has been underway since late Saturday, Jan. 28. Ukrainian soldiers bravely held their lines, according to the military sources.
Three days into fighting, Ukrainian soldiers have managed to take enemy positions and improved their tactical set-up in the area. Unfortunately, casualties were reported among the military.
On Jan. 30, enemy strikes left the government-controlled town of Avdiivka without electricity, water and heat.
In the evening of Jan. 30, a state of emergency was declared in Avdiivka.
As reported by the anti-terrorist operation (ATO) Staff press center, militants carry out not stop attacks on Ukrainian positions near the town.