Andrew Gwynne and Oliver Ryan.

The Labour MPs who posted offensive comments in a controversial WhatsApp group should quit parliament, according to a Labour MP.

Andrew Gwynne and Oliver Ryan have both been suspended by the party after the messages were revealed by the Daily Mail and Mail on Sunday.

Gwynne has also been sacked as a health minister over a string of offensive messages he posted on the group, including one where he said he hoped an elderly voter dies.

The Guardian also revealed that Gwynne described a constituent as “an illiterate retard” and a fellow councillor as a “fat middle aged useless thicket” in other messages on the WhatsApp group.

Ryan lost the Labour whip on Monday following an investigation........

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