TAREK AMARA and ANGUS McDOWALL TUNISIA is facing the worst crisis in its decade of democracy after President Kais Saied ousted the government and suspended parliament with help from the army, a move denounced as a coup by the country's main parties, including Islamists. He extended some existing measures aimed at countering the pandemic, including a curfew and internal travel bans, but which would also have the effect of dampening street opposition. Saied's action followed months of deadlock and disputes pitting him against Prime Minister Hichem Mechichi and a fragmented parliament as Tunisia descended into an economic crisis exacerbated by…