Political assassinations

A man reads a newspaper with the headline: 'PM in intensive care', outside St Thomas' Hospital in central London as British Prime Minister Boris Johnson is in intensive care fighting the coronavirus in London, Tuesday, April 7, 2020. Johnson was admitted to St Thomas' hospital in central London on Sunday after his coronavirus symptoms persisted for 10 days. Having been in hospital for tests and observation, his doctors advised that he be admitted to intensive care on Monday evening. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.(AP Photo/Kirsty Wigglesworth)

FILE - In this Aug. 21, 2019, file photo, Sudan's new Prime Minister Abdalla Hamdok speaks during a press conference in Khartoum, Sudan. Sudan's state media Monday, March 9, 2020, says Hamdok has survived an assassination attempt after a blast in the capital Khartoum. (AP Photo, File)

FILE - In this July 10, 1960, file photo, Sen. John F. Kennedy of Massachusetts gestures during his meeting with California Gov. Edmund G. (Pat) Brown in Los Angeles. Former California Gov. Jerry Brown wants to know who is trying to sell his father's memorabilia related to the assassination of President John F. Kennedy. Private letters and other items that had belonged to Edmund G. "Pat" Brown when he was California governor are being offered by the auction house Sotheby's, which estimates the value at $20,000 to $30,000. (AP Photo, File)

Julian Le Baron arrives where one of the cars belonging to the extended LeBaron family was ambushed by gunmen last year near Bavispe, Sonora state, Mexico, Sunday Jan. 12, 2020. Lopez Obrador said Sunday there is an agreement to establish a monument will be put up to memorialize nine U.S.-Mexican dual citizens ambushed and slain last year by drug gang assassins along a remote road near New Mexico. (AP Photo/Christian Chavez)

Malta's Prime Minister Joseph Muscat waives during his farewell speech as Labour Party leader in Kordin, near Valletta, Friday, Jan. 10, 2020. A new leader will be elected during the weekend. (AP Photo/Rene Rossignaud)

Activists gather in Pershing Square in downtown Los Angeles on Saturday, Jan. 4, 2020, to protest recent U.S. military actions in Iraq. A top Iranian general and Iraqi militiamen were killed in a U.S. airstrike that sharply escalated tensions across the region. (AP Photo/Damian Dovarganes)

FILE- In this Sept. 18, 2016 photo released by an official website of the office of the Iranian supreme leader, Revolutionary Guard Gen. Qassem Soleimani, center, attends a meeting with Supreme Leader Ayatollah Ali Khamenei and Revolutionary Guard commanders in Tehran, Iran. A U.S. airstrike near Baghdad's airport on Friday Jan. 3, 2020 killed Gen. Qassem Soleimani, the head of Iran's elite Quds Force. Soleimani was considered the architect of Iran's policy in Syria. (Office of the Iranian Supreme Leader via AP, File)

FILE - In this Oct. 6, 1981 file photo, Egyptian President Anwar Sadat smiles at the start of the military parade in Cairo. Later, during the parade, Sadat was killed with eleven others when gunmen opened fire on the reviewing stand with automation weapons. (AP Photo/Bill Foley, File)