Krishnan now fronts Unreported World and reports for the programme from around the world. His recent reports include Baghdad Bomb Squad (2012), South Africa: Trouble in the Townships (2011).

Since joining the Channel 4 News team in 1998 he has fronted big events from the Omagh bombing and 9/11 to special war coverage and the Mumbai attacks. Having covered five British general elections he does special political shows for Channel 4 such as the Ask the Chancellors debate. Krishnan also anchors controversial programmes outside the news including the first live televised Autopsy.

His TV career began at the age of eighteen presenting youth television for the BBC. He went on to present, report and produce a variety of programmes from Newsround to Newsnight.