An investigation by two NGOs has uncovered that Spanish authorities have permitted the passage of several US cargo ships carrying weapons to Israel via one of its ports in the Mediterranean Sea, in a possible contradiction to its pro-Palestinian stance. The probe, carried out by the Palestinian Youth Movement and Progressive International and reported by Spanish website El Diario, revealed that US ships carrying weaponry had reportedly made at least 25 journeys between May and September this year. The ships allegedly stopped at the southern port of Algeciras, before reaching their final destin…