Complex sentence: In May 2006, Livingstone welcomed Venezuelan President Hugo Chávez to London, hosting an event for him at City Hall, which was condemned by various Conservatives, who claimed that Chávez's democratic socialist government had undermined pluralistic democracy.
Split into simpler sentences: In May 2006, Livingstone welcomed Venezuelan President Hugo Chávez to London, hosting an event for him at City Hall. This was condemned by various Conservatives claiming that Chávez's democratic socialist government had undermined pluralistic democracy.