The 31-year-old was arrested at Manchester Airport on Thursday, police said.
A man has been arrested in connection with the Heaton Park synagogue attack after arriving on an inbound flight at Manchester Airport, police said.
The 31-year-old was arrested earlier on Thursday on suspicion of commission, preparation and instigation of acts of terrorism, according to a spokesman for Greater Manchester Police.
He is the seventh person to be arrested in connection with the terrorist attack at the Heaton Park Hebrew Congregation Synagogue in Crumpsall, Manchester, on October 2.
Worshippers Melvin Cravitz and Adrian Daulby were killed after Jihad Al-Shamie, a Syrian-born UK citizen, drove his Kia Picanto into the gates of the synagogue and then began attacking with a knife, wearing a fake suici

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