What to know

• Ex-Channel 4 News host Jon Snow reveals he has Alzheimer's23 minutes agoShareSaveAdd as preferred on GoogleKatie Razzall,Culture and Media EditorandIan Youngs,Culture reporterGetty ImagesJon Snow, the lead presenter of Channel 4 News for 32 years, has revealed...S1
• Long-serving presenter has been diagnosed with commonest form of dementia, says Alzheimer’s SocietyThe former Channel 4 News anchor Jon Snow has been diagnosed with Alzheimer’s disease, the most common form of dementia, the Alzheimer’s Society has said.More de...S2