Northampton Champions Cup match disrupted by hoax security incident

• Northampton beat Cardiff 28-12 in their Champions Cup opening match.
• A 'security incident' at Franklin's Gardens stadium is believed to be a hoax.
• Police were called following threats made on social media around 19:00 BST.
• The match, which kicked off at 17:30, continued after the incident.
• Players from both teams left the field briefly during the incident.