English soccer match disrupted when masked men drove a hearse onto the field

The summaries I've seen seem to be avoiding mentioning (presumably to avoid publicizing it) that the stunt was to threaten people associated with the club (the flyer can be found on social media):

Bizarrely, @northumbriapol have yet to issue any kind of statement through their press office, despite claims by some within the ground that those in the car may have been armed pic.twitter.com/n4LwkjZcq1

— Chris Stokel-Walker (@stokel) July 21, 2023

Two and a half hours later https://t.co/ASyGBIzOj2

— Chris Stokel-Walker (@stokel) July 21, 2023

What the fuck Dunston v Gateshead #DunstonUTS pic.twitter.com/3sZGLZVh7t

— 𝘼𝙡𝙚𝙭𝙖𝙣𝙙𝙚𝙧 🌹 (@AlexanderSoper) July 21, 2023