Handicraft vendors and tourists stand outside the Teotihuacan pyramids, which remained closed a day after a gunman opened fire on tourists at the archaeological site on the outskirts of Mexico City, Tuesday, April 21, 2026. (AP Photo/Marco Ugarte)

FILE - Olly Robbins walks on Whitehall in Westminster, London, Jan. 17, 2019. (Dominic Lipinski/PA via AP, File)

Peter Mandelson is seen with his dog outside his home in London, Monday, April 20, 2026 as Britain's Prime Minister Keir Starmer is facing a showdown in Parliament over the appointment of Peter Mandelson as ambassador to Washington.(AP Photo/Kin Cheung)

Britain's Prime Minister Keir Starmer leaves 10 Downing Street in London, Monday, April 20, 2026 to face a showdown in Parliament over the appointment of Peter Mandelson as ambassador to Washington.(AP Photo/Alastair Grant)

Former Foreign, Commonwealth & Development Office (FCDO) boss Sir Olly Robbins appear before the Foreign Affairs Committee at the Houses of Parliament in London, Tuesday April 21, 2026. (House of Commons/UK Parliament via AP)

People gesture after lighting candles during a prayer vigil for the victims of a mass shooting earlier in the day, Sunday, April 19, 2026, in Shreveport, La. (AP Photo/Gerald Herbert)

Police work outside the scene of a mass shooting, Sunday, April 19, 2026, in Shreveport, La. (AP Photo/Gerald Herbert)

A makeshift memorial is growing on the front lawn of a home as the door in the background shows bullet holes and evidence markers where children were killed during a mass shooting the day before in Shreveport, La., Monday, April 20, 2026. (AP Photo/Gerald Herbert)