(QHA) -

Ukraine’s activists on Sunday gathered at Kiev's Independence Square to march for peace, while fighting in Ukraine's east claimed more victims.

The March, which had “I am Volnovakha” as its slogan, referring to 13 civilians who died near the city of Volnovakha after their bus was hit by artillery shelling on January 13, was attended by Ukraine's President Petro Poroshenko and Prime Minister Arseniy Yatsenyuk.

"We will remember every Ukrainian hero who gave (life) for the sake of independence, sovereignty and territorial integrity of Ukraine," said Ukrainian President Petro Poroshenko. "We will not give up a single meter of our land."

This comes as Ukrainian army has regained full control of the Donetsk airport, which had been lost to separatists in recent weeks.