Darren Rathband, the twin brother of blinded Pc David Rathband, paid an emotional tribute to him at a cathedral service in Newcastle.
Among the mourners at St Nicholas' Cathedral, Newcastle, were Policing Minister Nick Herbert, actor Tim Healy and Northumbria Police chief constable Sue Sim.
The officer's children Mia, 13, and Ashley, 19, were seated at the front of the historic church.
More top news
The Labour leader said he would join the BBC's leading female stars in signing an open letter to the Director General to close the pay gap.
William and Harry said they would never speak so publicly about their mother ever again but felt it was "the right time to do it".
Gay men will be allowed to donate blood three months after having sex instead of a year, the Government has announced.