15:27Radio 4 AppealThe HALO TrustBBC Radio 4 Duration: 4 minutes Thu 7th Jun 2018, 15:27 on BBC Radio 4 FMAvailable for over a yearListen nowJoanna Lumley makes the Radio 4 Appeal on behalf of the HALO Trust. Show more GenresFactualFormatsAppealsBrandRadio 4 Appeal Source: BBC Online