"Six people have been killed in a raid against suspected terrorists in the province of Qatif in the east, announces the Saudi security service. One more person has been arrested."
"According to the secret service, to those suspected of having planned an attack against the infrastructure in the area."
"the Qatif is home to the larger part of the sunnidominerade the country's shia minority. The province has been hit by unrest since 2011, when shiites protested against what they consider to be oppression by the government."