The Panama Papers have revealed how close some global leaders are to a vast network of offshore wealth, insulated from prying eyes and domestic taxes by the now-famous law firm Mossack Fonseca. Dan McLaughlin and Clifford Coonan report on what the leaked documents reveal about Russian President Vladimir Putin, Ukrainian President Petro Poroshenko and Chinese Premier Xi Jinping, and the attempts to deflect criticism by pointing the finger at a Western conspiracy.

Meanwhile South African president Jacob Zuma faces an impeachment vote over his failure to repay state money spent on his private residence. The scandal is arguably the biggest yet to hit the president, who has fended off accusations of corruption, influence peddling and even rape since before he took office in 2009. Bill Corcoran reports from Cape Town.