Bulletin PM briefing: Family who died in sea incident named and mad cow disease case detected

Here are five of today’s top stories – in case you have missed them

• Palestinian refugee family who died after incident in sea off Sussex are named.
• Lewes train derailment investigators make major new discovery – what we know.
• What is mad cow disease? Case detected at farm in Scotland.
• Ukraine’s drone attacks are damaging Russia – Putin.
• Patients left dying in corridors and cancer diagnosis delays at ‘chaotic’ NHS trust.