Pope Benedict XVI, the Roman Catholic leader, has written to Irish Catholics to apologise for failing to deal with cases of child sex abuse within the church.

But victims of abuse say the apology does not go far enough.

They want the pope to break his silence on the church role's in shielding paedophile clergy from prosecution.

Al Jazeera's Laurence Lee reports from Dublin, the Irish capital.

Source: Al Jazeera