German Defence Minister Christine Lambrecht discussed a potential delivery of German-made tanks from Spain to Ukraine with her Spanish colleague Margarita Robles on the sidelines of a NATO summit in Madrid, dpa learned on Thursday. Earlier in June, reports had claimed that Germany vetoed a Spanish delivery of heavy weaponry to Ukraine that would have included around 40 tanks of the Leopard 2 A4 type, of which 108 were sold from Germany to Spain in 1995. Arms deals between countries often include a clause stipulating that the seller must be consulted if the buyer is to hand the weapons on to a …