The man arrested at Manchester Airport on Thursday on suspicion of commission, preparation and instigation of acts of terrorism can now be held in custody for up to 7 days from his arrest or until Thursday 4 December.
The 31 year old was arrested in connection with the terrorist attack at the Heaton Park Hebrew Congregation Synagogue.
The number of people arrested in connection with the investigation id now seven.
A 30-year-old man arrested on October 9 on suspicion of failing to disclose information contrary to S38B of the Terrorism Act 2000 remains on bail.
