Key Facts

• The stabbing attack occurred on a train traveling to London.
• Ten people were hospitalized; nine have life-threatening injuries.
• British Transport Police arrested two individuals linked to the attack.
• Counter-terrorism police are helping with the investigation.
• The attack was declared a major incident, but no motive has been shared yet.
• "Plato," a code signalling a potential terror attack, was initially used but later withdrawn.
• Emergency services, including armed police and air ambulances, responded swiftly at Huntingdon station.
• The train operator has warned of major disruptions following the incident.