EU citizens who have yet to apply for settled status are at risk of losing access to healthcare and other benefits. The deadline is June 30th. If you know someone who may need extra help with their application, there is a list of support services here: https://gov.uk/government/publications/eu-settlement-scheme-community-support-for-vulnerable-citizens

There is also a lot of helpful info available on the European Londoners Hub: https://london.gov.uk/what-we-do/european-londoners-hub