Families call for research into progressive supranuclear palsy after loved ones were misdiagnosed.
An investigation into the cause of the fire will now take place.
Temitope Adeyinka is sentenced over the murder of Robert Powell at a house party in Essex.
Douglas Clifton Brown dragged Camilla Welby from their car on his family's estate, the court hears.
Greater Anglia says disruption is expected until further notice.
More than 1,000 people in the Lea Valley sign a petition opposing the plans.
Temitope Adeyinka was arrested in Spain in connection with the murder of Robert Powell in Roydon.
The pair are given lengthy prison sentences at Woolwich Crown Court.
The 40-year-old suspect will be charged with murder of Robert Powell, police say.
