Turkey has given the all clear for an Armenian plane to continue on its journey to the Syrian city of Aleppo.<br/> <br />Ankara had ordered the plane to land in eastern Turkey so its cargo of humanitarian aid could be searched.<br/> <br />Ankara is stepping up efforts to prevent its air space being used to supply the Syrian military.<br/> <br />The government forced down a Syrian airliner travelling from Moscow last Wednesday, saying it was carrying Russian munitions destined for Syrian President Bashar al-Assad's military.<br/> <br />Russia has said there were no weapons on the plane and that it was carrying a legal cargo of radar equipment.<br/> <br />But Foreign Minister Sergei Lavrov moved to cool friction with Ankara, and speaking from Luxembourg on Monday said that the incident would not affect ties between the two states.<br/> <br />Ankara announced on Sunday that Turkish air space is closed to Syrian planes.<br/> <br />Syria banned Turkish planes from flying over its territory on Saturday.