Shadow Secretary of State for Wales Peter Hain is among those at Tony Benn's funeral service.
On Twitter, he said the ceremony at Westminster Abbey will end with the 'The Red Flag' - a song long associated with the Labour Party and left-wing politics.
In St Margaret's Westminster Abbey looking at at Tony Benn funeral order of service. He would have approved: ends with Red Flag
More top news
Manson was the mastermind behind the murder of actress Sharon Tate and six others.
Some bright spells will also develop through the day.
In written evidence to the Commons Brexit inquiry, Boeing demanded "clarity" by April "at the latest."