Gromit
/// He met Cameron on Friday to ask to join the Conservative ranks. Cameron said 'Yes', so he had effectively left UKIP at that moment. ///
Yes like I said "he was suspended by UKIP before he asked to join the Tories".
*** A party source said Bashir had been aware for some time that he was being investigated and suggested that the suspension was the reason for his defection. “He knew he would be receiving that letter today,” the source
said. ***
*** Bashir had been informed he was facing investigations that include unanswered financial and employment questions, interference with Ukip candidate selection processes and a continued affiliation with Mujeeb Bhutto, a former Ukip spokesman who resigned from the party after it emerged he had been jailed for his part in a Pakistani kidnapping gang.***
http://www.theguardian.com/politics/2015/jan/24/ukip-amjad-bashir-defects-conservatives