Heads of the CSTO (Collective Security Treaty Organization) member countries will discuss issues of combating terrorism and extremism at a meeting on December 26 in St. Petersburg.

According to a Kremlin statement, Russian President Vladimir Putin will take part in the meeting of the Supreme Eurasian Economic Council and the Collective Security Council of the Collective Security Treaty Organization (CSTO) in St. Petersburg.

"At the meeting, the leaders of Armenia, Belarus, Kazakhstan, Kyrgyzstan and Russia will discuss the current scope of allied cooperation within the organization. The meeting will also focus on key issues of global and regional agenda, including countering terrorist and extremist threats and the fight against illegal drug and weapons trafficking," the statement said.