Sarkisian, who served as president for a decade, was last week elected as prime minister with sweeping powers, triggering the protests.
Thousands of people in Armenia have been protesting for 10 days against ex-president Serzh Sarkisian taking up a new position as premier with sweeping powers.
With protests against Armenian PM Serzh Sarkisian escalating, here is all you need to know about the country's troubled history
Armenia is facing a deepening political crisis, after talks between Prime Minister Serzh Sarkisian and protest leader Nikol Pashinyan failed.
Armenian police said protest leader Nikol Pashinyan was forcibly taken from a protest rally, dismissing reports of his arrest as riot police and demonstrators clashed in Yerevan.
Armenia's political turmoil deepened as Prime Minister Serzh Sarkisian stormed out of talks with opposition leader Nikol Pashinyan, who was later forcibly removed from a protest.
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 230 people.
Armenia's parliament today elected former president Serzh Sarkisian prime minister in a move that will see the 63-year-old maintain his grip on power despite major protests.