The Tunisian capital is decked with celebratory flags for the revolution's second anniversary, but under the wintry sky the atmosphere is as much one of uncertainty as joy.

There's been an increase in social and labour unrest in recent months, with the government battling to balance the right to free expression against the maintenance of law and order. People frustrated with the slow pace of change took to the streets in protest on Sunday.

Al Jazeera's Mike Hanna reports from Tunis.

Source: Al Jazeera