MOSCOW: Russian foreign ministry spokeswoman Maria ​Zakharova said on Friday that the participation of the Japanese navy in joint ‌drills with ‌the ​US is ‌a ⁠cause ​for concern ⁠and increases tensions.

Philippine and US forces began annual exercises ⁠on Monday in which ‌Japan ‌is ​taking ‌active part for ‌the first time.

The April 20 to May 8 ‌exercises known as “Balikatan,” or “shoulder-to-shoulder,” are ⁠the ⁠largest yet in terms of participating countries, also including Australia, Canada, France and New Zealand.