 Lord Turnburg, the former Chairman of the Public Health Laboratory Service, and Lord Walton, former president of the BMA and General Medical Council, called for the UK to follow the US, Canada and Australia by introducing HIV and TB tests for immigrants.The UK Government set up an Imported Infection and Immigration Working Group, which introduced stricter immigration controls to combat imported infections, but did not recommend mandatory Canadian-style tests.In 2004, Browne revealed in the Times the government's welcoming to the UK of Yusuf al Qaradawi, the spiritual leader of the Muslim Brotherhood, who had called for execution of all Jews and homosexuals.