Arms recovered from al-Shabaab insurgents after a botched raid on a Kenyan military post. Kenya hopes that a wall built with Israeli help will stem the flow of terrorists from Somalia

Israel will help Kenya to build a 440-mile wall along its border with Somalia as part of a range of sweeteners from Binyamin Netanyahu to win African support for his country at the United Nations.

Kenya hopes that the wall, which has drawn comparisons with Israel’s controversial West Bank “separation barrier”, will stem the flow of terrorists from Somalia blamed for a string of deadly attacks, including the 2013 siege of Westgate shopping centre in Nairobi, in which at least 67 people died. The shopping centre and some of its restaurants were Israeli owned.

Critics claim that the Kenyan wall will sever ancient grazing routes for nomadic cattle herders and cut animal migrations but fail to stop terrorists, who can travel by sea or bribe