The pair's alleged plot coincided with the anniversary of last year's attacks at a UK synagogue which left two dead. The arrests come nearly a year after a deadly knife and gun attack on the Heaton Park Hebrew Congregation Synagogue in northern Manchester, in which two people died. Key points and original sources are listed below.

• The pair's alleged plot coincided with the anniversary of last year's attacks at a UK synagogue which left two dead.S1

• The arrests come nearly a year after a deadly knife and gun attack on the Heaton Park Hebrew Congregation Synagogue in northern Manchester, in which two people died.S2