People vaccinated in the EU or US do not need to isolate when coming to the UK from an amber country.
Sudesh Amman stabbed two people before being shot by police on a south London street last year.
The UK and US blame Iran for the attack in which two people were killed, and have vowed to respond.
Alex Gibson, 22, jumped into the sea near Blackpool's North Pier in the early hours of Friday.
Health Secretary Humza Yousaf says his daughter was twice refused a place at the nursery, which denies any discrimination.