The American ambassador, Ralph L. Boyce, expressed some reservations.
Several former ambassadors from European countries privately expressed frustration to Western journalists during the ensuing years.
The ambassador from Tenochtitlan, however, still expressed the city's opposition to him.
The British ambassador, Laurie Bristow, who attended the rally, expressed disappointment.
Israel's ambassador expressed satisfaction with the inquiry.
The ambassador "expressed her concerns on the vulnerability of the embassy and requested a security assessment," Mr. Kennedy said.
The American ambassador, Daniel Kurzer, has expressed concern about the arrest to Egypt's prime minister, according to an embassy spokesman.
"I don't think foreign ambassadors should be expressing their views or intervening in an election," he said.
Israel's ambassador to the United Nations, Yehuda Lancry, expressed satisfaction with the inquiry.
For his part, Iraqi ambassador to Tehran expressed regret over the incident and pledged to pursue the case through the officials of his country.