Attack sparks debate on limits of free expression

Hong Kong

BLANKET news coverage around the world of the Charlie Hebdo massacre, culminating in Sunday's huge march in Paris, is increasingly laced with debate among opinion-makers about the limits of free expression and the right to offend.

The immediate aftermath of the attack, which saw Islamist gunmen storm the offices of the satirical French weekly and leave 12 dead overall, saw countless posts on social media in which Twitter and Facebook users voiced solidarity with the hashtag #JeSuisCharlie, or "I am Charlie".