Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

A worker is seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne

Workers are seen at the site where a passenger train derailed near Stonehaven, Scotland, Britain August 21, 2020. REUTERS/Russell Cheyne TPX IMAGES OF THE DAY

Rescue workers are seen at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Rescue workers are seen at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Rescue workers are seen at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

A rescue worker walks at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo

Rescue workers are seen at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo REFILE - CLARIFYING LOCATION

One of the train carriages is pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo REFILE - CLARIFYING LOCATION

Train carriages are pictured at the scene where a train derailed in Carnate, Italy August 19, 2020. REUTERS/Daniele Mascolo REFILE - CLARIFYING LOCATION

Damage to the train is pictured, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

One of the carriages of the train is pictured, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

A crane is brought in to the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

A crane is brought in to the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the scene, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Part of a carriage is pictured at the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

Emergency services inspect the site, following the derailment of the ScotRail train which cost the lives of three people, near Stonehaven, Aberdeenshire, Scotland, Britain August 13, 2020. Ben Birchall/Pool via REUTERS

A Network Rail helicopter surveils the scene in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Andrew Haines, Chief Executive of Network Rail, speaks near the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Andrew Haines, Chief Executive of Network Rail, speaks near the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

A Network Rail helicopter surveils the scene in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Britain's Secretary of State for Transport Grant Shapps speaks to reporters in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Britain's Secretary of State for Transport Grant Shapps speaks to reporters in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Britain's Secretary of State for Transport Grant Shapps speaks to reporters in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Emergency responders gather in the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne

Britain's Secretary of State for Transport Grant Shapps visits the area where a passenger train derailed near Stonehaven, Scotland, Britain, August 13, 2020. REUTERS/Russell Cheyne