President of Ukraine Petro Poroshenko and British Prime Minister Theresa May during a telephone conversation have discussed methods of confronting Russian aggression, the press service of the Ukrainian president has said.

"The two leaders paid attention to mobilization of the international community in opposing the Kremlin's aggressive policy in the context of preparations for the G7 summit to be held in Canada on June 8-9," a message reads.

The Ukrainian president stressed the need to strengthen the international pressure on Russia in order to fully implement the Minsk agreements. The two emphasized the importance of extending and strengthening sanctions against the Russian Federation, in particular in the context of the construction of the illegal Kerch Strait Bridge with the occupied Crimean peninsula.

Poroshenko and May expressed full support for the findings published by the team investigating the MH17 tragedy and called it another proof of Russian aggression.

During the conversation, they also discussed the intensification of the international pressure on the Kremlin's regime with a view to release Ukrainian hostages and political prisoners.

They also discussed ways to expand bilateral cooperation in the security and defense spheres.

Poroshenko thanked the British side for supporting Ukraine on the path of reforms.