Nelson Mandela’s grandson has reportedly been prevented from entering the UK to speak at pro-Palestine events, after calls to ban the South African activist over his “praise” for Hamas. Zwelivelile ‘Mandla’ Mandela was scheduled for a tour of the UK and Ireland to speak at events in London, Bristol, Sheffield, Edinburgh, and Glasgow but was forced to cancel his flight after not receiving a UK visa on time for the first event on Thursday. The Home Office faced questions about whether to grant Mandela a visa over his “inflammatory rhetoric”, including “eulogising a commander in Iran’s revolution…