The 44-year-old died after being exposed to the chemical weapon which was left in a discarded bottle in Amesbury, Wiltshire, in July 2018.
Parts of Norfolk could see a 10C bump in temperatures as a short period of warm weather is predicted for midweek.
Sir Keir Starmer said delivering economic growth would allow families to have more holidays and fund improved public services.
Manchester Airports Group (MAG), which owns the Essex airport, said the project will create up to 5,000 new on-site jobs.