Ukrainian President Petro Poroshenko has submitted a draft bill to parliament which seeks to terminate a friendship treaty with Russia. <br />Tensions have flared between Kiev and Moscow over Russia's seizure of three Ukrainian naval ships and their crews last month.<br />Kiev says it wants to terminate the treaty due to what it calls Russian aggression.<br />The treaty was ratified in 1998 and automatically renews every decade unless one side advises the other of its intention to end the agreement. <br />
