MADRID, Nov. 10 (Xinhua) -- One police officer was killed and another injured in an explosion on Tuesday morning in Oviedo, northern Spain, Spanish news agency EFE reported, citing National Police sources.
The officers had responded to a shooting at a residential building in the city's Villafria neighborhood at around 7:00 a.m. local time (0600 GMT), which left a woman injured. Upon arrival, police discovered a backpack containing an explosive device at the building's entrance, which subsequently detonated, EFE reported. ■