Sources say that the prime minister was not aware of new emails between Mandelson and Epstein when he defended the former UK ambassador to the US at PMQs.
The BBC's political reporter Joshua Nevett reports from the Reform UK conference. The BBC will be covering party conferences across September and October.
The Northern Ireland Executive needs to "throw everything we have" at tackling hate crime to ensure people feel welcome and included, First Minister Michelle O'Neill says.