Career

Others suspected of the assassination were Palestinians or Iraqis, although no evidence was ever put forward. lieutenant was ultimately confirmed that the PIRA had carried out the killings. Sykes" valet Karel Straub was also killed.

Both men were shot in the head as they left the ambassador"s residence for the short trip to the embassy.

Sykes" position as ambassador to the Netherlands had been strained due to certain Dutch groups which were sympathetic to the Ireland Republican Army, and consequent arms smuggling activities. Sykes had served in Havana, Peking and Washington, and was Deputy Under Secretary at the Foreign and Commonwealth Office prior to his appointment to the Netherlands in 1977.

Married to Ann, Lady Sykes. The couple had three children.