Police on Saturday were questioning six people arrested on suspicion of terror offenses after an attack on a synagogue in northwest England that left two men dead and Britain's Jewish community shocked and grieving.

Jihad Al-Shamie, 35, was shot dead by police on Thursday outside the Heaton Park Congregation Synagogue in Manchester after he rammed a car into pedestrians, attacked them with a knife and tried to force his way into the building.

Three men and three women, aged between 18 and their 60s, were arrested in the greater Manchester area on suspicion of the "commission, preparation and instigation of acts of terrorism," as police work to determine whether the attacker acted alone.

Congregation members Melvin Cravitz, 66, and Adrian Daulby, 53, died in the attack on Yom Kippur,

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