OVIEDO, Spain Spanish government officials confirmed Monday that Spain has denied the United States the use of its airspace for flights linked to the war involving Iran. The restrictions also apply to US aircraft stationed in third countries such as the United Kingdom and France, Spanish military sources told El Pais. Washington had also explored deploying strategic bombers such as B-52 and B-1 aircraft to bases in southern Spain, but the proposal was dropped after Madrid made clear it would