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Russian sevens couple suspended following failed meldonium tests

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A husband and wife who play sevens rugby for Russia have become the latest athletes to test positive for meldonium, World Rugby has confirmed.

Alexey and Alena Mikhaltsov were provisionally suspended last month by the governing body after they both failed out-of-competition tests.

"World Rugby has confirmed that it has provisionally suspended two Russia national sevens players from all competition following notification of potential anti-doping rule violations, both involving the prohibited substance Meldonium (Mildronate)," a statement on World Rugby's website read.

"These suspensions are imposed in accordance with World Anti-Doping Agency compliant World Rugby Regulation 21."

On Monday, Russian tennis player Maria Sharapova admitted to testing positive for meldonium during the Australian Open.

The substance was placed on WADA's banned list on Jan. 1. It has since claimed that 99 athletes have tested positive for the drug in 2016.