Spanish police have discovered a tunnel in ‌the North African exclave of Ceuta, to smuggle tons of hashish from Morocco into Spain. Police said the structure, concealed beneath an ​industrial warehouse, extended over three levels, ‌including a descent shaft, an intermediate chamber for pallet storage, ​and the tunnel itself. Authorities seized 17 ‌metric tons of the drug, € 1.4 million (£1.2m) in cash, and arrested 27 people ‌in connection with the operation. The tunnel had a rail system and