Kiev Forces Win Back Mariupol

Five Pro Russian rebels were reported killed and four government soldiers injured in the city in Donetsk region

Elsewhere , Ukraine's gas dispute with Russia showed no sign of resolution days before a Russian payment deadline

Interior minister Arsney Avvakov , said government forces had raised the national flag over Mariupol's council building , President Petro Poroshenko marked the occasion by giving orders for the port city , which lies on the Sea of Azov in the South of Donetsk region , to be made temporary capital of the region , replacing Donetsk city where rebels are largely in control

Confirming four soldiers had been injured , Ukraine's national guard said its recently formed Dnepr and Azov "volenteer" units had been used in the operation

About 100 soldiers could be seen emerging triumphantly from previously rebel occupied buildings , shouting the name Azovv and singing the Ukrainian national anthem

A rebel source told russia's interfax news agency five fighters had been killed

Mariupol has been fought over intensively before and it cannot be ruled out that the insergents may return and try to take it back again