Sudan reported an aerial attack on its Yarmouk weapons facility outside Khartoum on 24 October. It attributed the attack to Israeli aircraft; Israel has neither confirmed nor denied the attack. Iran has had a long standing military supply relationship with Sudan. Two Iranian warships were docked at Port Sudan on 29 October.
The Voice of America did an especially good summary of Iran's ties with Sudan in a piece by Michael Lipin that appeared on 31 October 2012.
Click here to read the article.