Two other members of the Strong Armenia opposition party were detained on Tuesday and accused of violating a ban on charity activities during the election period, the Reuters news agency reported.
Armenia, a post-Soviet nation dependent on Russia for energy, is set to hold parliamentary elections on June 7, with Strong Armenia polling second behind the ruling pro-Western Civil Contract party, according to a February survey by the US-based International Republican Institute.
Strong Armenia is led by Armenian-Russian billionaire Samvel Karapetyan, who is on trial on charges of publicly calling for the overthrow of Prime Minister Nikol Pashinyan's government.
Pashinyan in February secured a pledge of support for Armenia's European Union membership aspirations from Polish Prime Minister Donald Tusk during a visit to Warsaw.
In early April, Russian President Vladimir Putin warned Pashinyan during a meeting at the Kremlin that Moscow would not tolerate Armenia’s closer ties with the EU.
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Source: Reuters, IAR, PAP, euronews.com