The United Arab Emirates has urged men to avoid wearing the white robes, headscarf and headband of the national dress when travelling abroad, after a businessman visiting the United States was wrestled to the ground and held as an Islamic State suspect.

Iraqi forensic teams in the newly-recaptured city of Tikrit have started exhuming bodies from mass graves believed to contain some of the hundreds of soldiers killed by Islamic State (IS) militants last year, a government spokesman said yesterday.