A man suspected of commission, preparation, and instigation of terrorist acts in relation to the Heaton Park Congregation Synagogue attack was arrested, the Greater Manchester Police announced.
The 31-year-old was arrested at Manchester Airport on Thursday after arriving on an inbound flight and taken into custody for questioning.
Counter Terrorism Policing North West Assistant Chief Constable Rob Potts said the families of Adrian Daulby and Melvin Cravitz, who were killed in the October 2 attack, and the three wounded congregants were updated about the development.
The arrest marks the seventh suspect arrested in connection with the Yom Kippur terrorist attack.
Another man was arrested at the airport on October 9 for failing to disclose information that could have stopped a terrorist attack. The 30-year-old man was released on bail with conditions and remains on bail.
The Prestwich man had been previously arrested on October 2, alongside a 61-year-old woman and a 32-year-old man. A 46-year-old woman, an 18-year-old woman, and a 43-year-old man were arrested in Farnworth, but the latter two were released on October 4.
The terrorist pledged fealty to ISIS
Terrorist Jihad Al-Shamie attacked the Crumpsall synagogue during Yom Kippur, ramming the synagogue before exiting the vehicle to stab congregants. The terrorist had called emergency services mid-attack to pledge fealty to ISIS.
Garbed in a fake suicide bomb vest, Shamie was shot to death by responding officers. Two congregants, Daulby and Cravitz, were killed in the attack, and three others were wounded. Daulby may have been hit by police gunfire during their response.
Shamie was not previously known to counterterrorism police, but was on bail for alleged rape.
On Saturday, the Heaton Park synagogue was visited by Mayor Andy Burgham and Deputy Mayor Kate Green, according to the Jewish Representative Council of Greater Manchester and Region.
The Manchester politicians attended Shabbat services as an act of solidarity with the bereaved community.