RIYADH: Saudi border guards seized 547 kg of hashish and more than 17 tons of khat as part of an operation to thwart smuggling operations in the Kingdom’s Jazan, Asir and Najran regions. Border guards spokesman Lt. Col. Misfer bin Ghannam Al-Quraini said on Wednesday that 51 suspects have been arrested, including 31 Saudi citizens along with 14 Ethiopians, five Yemenis and one Eritrean who had breached border security. Legal measures have been taken against the detainees and the seized narcotics handed over to authorities, Al-Quraini said.