Martin Thomas Glynn, 39, was arrested in Yangebup, where police allege they found firearms, ammunition and Hamas and Hezbollah flags

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A man accused of posting an antisemitic social media message in support of the Bondi massacre will spend Christmas behind bars.

Martin Thomas Glynn, 39, was arrested in the Perth suburb of Yangebup and charged after a concerned member of the public reported him to police.

Officers said they raided Glynn’s home on Tuesday and seized several firearms, large quantities of ammunition and flags linked to banned terrorist organisations Hezbollah and Hamas.