Former Indian president A.P.J. Abdul Kalam was frisked by the John F. Kennedy airport authorities in New York Sep 29, resulting in a strong Indian protest and a subsequent US apology for the breach of protocol.
http://ummid.com/news/2011/November/13.11.2011/us_0n_kalam_frisking.htm
http://ummid.com/news/2011/November/13.11.2011/us_0n_kalam_frisking.htm