However, tired with a protracted siege of the Kakhetian stronghold of Vezhini, George abandoned the campaign when snow fell. The Seljuk auxiliaries also lifted the siege and plundered the fertile Iori Valley in Kakheti. Aghsartan I, king of Kakheti, went to the sultan to declare his submission, and in token of loyalty embraced Islam, thus winning a Seljuk protection against the aspirations of the Georgian crown.[9]