Blankets cover the bodies of a woman (right) and a man (left background) hit by a northbound Penn Central train (background) as they waited with a crowd at Pennsylvania Railroad station in Elizabeth, N.J. on June 8, 1968 to view the southbound train carrying the body of Sen. Robert F. Kennedy to Washington. The woman was identified as Mrs. Antoinette Severini, 54, and the man, John Curia (age unavailable), both of Elizabeth. (Photo by AP Photo)

A demonstrator catches fire during clashes with riot police within a protest against Venezuelan President Nicolas Maduro, in Caracas on May 3, 2017. Venezuela's angry opposition rallied Wednesday vowing huge street protests against President Nicolas Maduro's plan to rewrite the constitution and accusing him of dodging elections to cling to power despite deadly unrest. (Photo by Ronaldo Schemidt/AFP Photo)

Middlesbrough star Paul Gasgoigne is confronted by streakers at The Riverside on December 6, 1998 during their match against Newcastle. (Photo by Owen Humphreys – PA Images/PA Images via Getty Images)

It looks like a kiss but this male and female blackbird were fighting in flight in Charlton Adam, Somerset, South West England in July 2022. (Photo by Ben Pulletz/Solent News)

A nurse holds a painting of Prime Minister Boris Johnson clapping with blood on his hands as part of a demonstration of NHS workers at hospitals across London to demand a 15 per cent pay rise by the government in London, Wednesday, August 26, 2020.(Photo by Kirsty Wigglesworth/AP Photo)

A man sets himself on fire during protest rallies in front of the presidential office in Kiev, Ukraine on February 26, 2020. The man, who called himself Oleksandr Burlakov, said subsequently that his motive was to draw the attention of the authorities to his plight, related to the ownership of the land parcel. (Photo by Ihor Behus/Reuters)

Residents display scarecrows with an NHS theme outside their homes in Greenfield for the annual scarecrow parade on April 09, 2020 in Manchester, United Kingdom. There have been around 60,000 reported cases of the COVID-19 coronavirus in the United Kingdom and 7,000 deaths. The country is in its third week of lockdown measures aimed at slowing the spread of the virus. (Photo by Anthony Devlin/Getty Images)

Police spraying protesters with pepper spray inside Central Station after a Black Lives Matter rally in Sydney, Australia, 06 June 2020, a protest against the deaths of Aboriginal people in custody and solidarity with the US protests for George Floyd. (Photo by James Gourley/EPA/EFE)