The restaurant chain Pizza Express is to review its menu policy for halal meat after campaigners called for greater clarity on the labelling of chicken produced through religious slaughter.

That Pizza Express has changed its supplier to provide exclusively halal chicken is not news, but the lack of clarity on its menus has raised concerns that customers are not being allowed to make an informed choice.

The restaurant said that it was "no secret" that all the chicken used in its dishes was halal slaughtered, adding that all birds are stunned before being killed.

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