Tunisian Prime Minister Mohammed Ghannouchi says he is assuming power after the president of the North African country stepped down following weeks of riots.
At least 23 people have been killed in the riots, according to the government, but opposition members put the death toll at more than three times that.
The situation is contstantly evolving, and many people are using the Web, Twitter and Facebook to get updates and communicate with friends and family abroad.
Haroun Bouazzi is with the group Collectif De Solidarité Au Canada Avec Les Luttes Sociales En Tunisie.
He talked to Homerun Web journalist Tanya Birkbeck about the role the Web and social media have had in this time of great political change in Tunisia.
Listen to Sue's conversation with Haroun Bouazzi and another Tunisian Montrealer, Amina. Amina asked that we not use her last name on air because she fears for her family in Tunis.