Hundreds of opposition protesters arrested in Armenia

Tens of thousands protested in Armenia's capital on Friday against what they say is a power-grab by ex-president Serzh Sarkisian, as police arrested more than 230 people.For the past week, opposition supporters have held mass rallies to denounce Sarkisian's efforts to remain in power as prime minister after a decade serving as president.On Friday, demonstrators waved national flags and held up placards reading "Sarkisian is a dictator" as protests in the impoverished former Soviet country went i