.... Prime Minister Ali Larayedh condemned his assassination, but said: "We are against all calls to dissolve the government to create a [power] vacuum."
In February, the killing of prominent secular politician Chokri Belaid sparked mass protests and forced Prime Minister Hamadi Jebali to resign.
An uprising in Tunisia in late 2010 kick-started a series of revolutions that spread through the Middle East and became known as the Arab Spring. [BBC] Read more