At least two men armed with knives who took hostages at a church near Rouen in northern France were killed, police said.
The men were reported to have been holding between four and six persons at the church in Saint-Etienne-du-Rouvray, BBC reported.
A priest, two sisters and churchgoers were among those held.
France 3 television said a number of shots were heard. Police and the emergency services were at the scene.
Interior Minister Bernard Cazeneuve was on his way to the town to be briefed by the police.
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