Albert Adomah has been forced to withdraw from the Ghana squad ahead of next month's 2014 World Cup qualifiers against Lesotho and Zambia.The Bristol City attacker is out after suffering a knee injury.He has been replaced by debutant, Solomon Asante of Berekum Chelsea.Asante will join the Black Stars when they start a non-residential camp in Accra on 21st May, 2012.The squad will be pruned before the team departs to Kumasi on 27th May ahead of the match against Lesotho on 1st June, 2012.Ghana face Lesotho in Kumasi for Appiah's first game before they play Zambia on June 9 in Ndorla.