Original sentence: Corbyn has been criticised following allegations of antisemitism in the Labour Party and for alleged antisemitic associations prior to becoming leader.He has asserted his opposition to antisemitism and commitment to rooting it out of the party
Edited sentence: Corbyn has apologised and asserted his record of opposing antisemitism and his commitment to rooting it out in the party.Corbyn has been criticised in relation to allegations of antisemitism in the Labour Party and for alleged antisemitic associations prior to becoming leader