Updated

A Syrian refugee is among three people being held for questioning in the attack this week on a Normandy church by two extremists who killed the priest celebrating Mass.

A judicial official said Friday the Syrian was arrested a day earlier in central France because a photocopy of his passport was found at the home of one attacker, Adel Kermiche, in Saint-Etienne-du-Rouvray, site of the church. The official spoke anonymously because not authorized to speak publicly on the investigation.

Kermiche and accomplice Abdel-Malik Nabil Petitjean — both 19 — were killed by police as they left the church. The Islamic State group claimed the attack.

A cousin of Petitjean and a minor arrested just after the attack were being questioned along with the Syrian.