London, January 13, 2020, SPA -- Britain has summoned the Iranian ambassador to the United Kingdom for protesting the brief detention of the British ambassador to Iran last Saturday. The spokesman for British Prime Minister, Boris Johnson, confirmed in a press statement that "this was an unacceptable breach of the Vienna convention and it needs to be investigated", stressing that the British government is seeking full assurances from the Iranian government that this will never happen again. --SPA 18:54 LOCAL TIME 15:54 GMT 0024 www.spa.gov.sa/w1245867