Belarusian President Alexander Lukashenko has set off for Russia on a working visit, the presidential press service said on Thursday.

"On June 11, the Belarusian head of state is due to meet with Russian President Dmitry Medvedev and Russian Prime Minister Vladimir Putin," the press service said.

It added that the agenda of the meetings will focus on the Customs Union of Belarus, Kazakhstan and Russia, as well as bilateral Belarusian-Russian cooperation.

Ahead of their upcoming meeting, the Belarusian and Russian presidents had a telephone conversation.

"The Belarusian side expressed the wish that the meeting should be substantive and productive to the maximum degree possible," the press service said.

MINSK, June 10 (RIA Novosti)