The death toll from Sunday's nightclub fire in Santa Maria in Brazil is now at 231 with 82 people in hospital with at least 30 of them said to be in a serious condition. Three people have been in arrested in connection with the fire. Gary Duffy of the BBC reports from Brazil.
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.