Letter to Taoiseach signed by academics and artists urges Government to act ‘without delay’

Even if Isis is defeated, the attraction of its ideology is unlikely to disappear

Four million people have fled Syria while 12 million inside the country are in need of humanitarian assistance

Assault on the Bardo Museum represents grave test of stability

Violence and political instability across the Middle East have cast a hopeless shadow on the aspirations of 2011’s Arab spring, but there are some bright points

Opinion : Armed forces seeking to defend a privileged position that dates back to 1952 coup

Overthrow of Saddam Hussein was achieved at a huge price in human life and ideals