U.K. counter terrorism police on Wednesday revealed the man who attacked a Manchester synagogue made an emergency call to police during his rampage to “pledge allegiance” to Islamic State.

Details about the attacker, Jihad al-Shamie, have gradually emerged since the October 2 attack on the synagogue in the northwestern city.

Almost a week after the attack, in which two Jewish men died, here is what we know so far:

Who was the attacker?

Shamie, 35, of Syrian descent, entered the United Kingdom as a child and was granted British citizenship in 2006 when he was around 16.

Police arrived quickly on the scene and shot Shamie dead within seven minutes of the first emergency call, after he drove a car into a crowd outside the Heaton Park Hebrew Congregation Synagogue, in north Manchester.

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