Wednesday's assassination of left wing politician Chokri Belaid has thrown the country into turmoil. Protesters are gathering in the streets as an increasingly shaky government struggles to maintain order. Journalist Mischa Benoit Lavelle reports from Tunis.
One of the speakers at this week's Web Summit was Samantha Barry - CNN's head of social media who is originally from Cork. She spoke to Mary about who uses social media well, in this country and in the U.S. and how tweeting has changed everything.