Two radical attacked by a antheral astatine a London infirmary were injured by an axe.
Armed constabulary were called to Central Middlesex Hospital successful Park Royal astatine 13:18 BST connected Wednesday.
Officers recovered 2 men, believed to beryllium aged successful their 40s, with injuries thought to person been caused by a mattock, a benignant of pick-axe.
Police located a man, besides aged successful his 40s, extracurricular the infirmary and helium was arrested connected suspicion of 2 counts of attempted murder.
The 2 injured men are not successful a life-threatening condition, but one's injuries "may beryllium life-changing", the Metropolitan Police said.
The unit said a 3rd unfortunate was besides targeted by the attacker but "was fortunate not to person sustained immoderate injuries".
The arrested antheral was treated successful infirmary for "self-inflicted" injuries and has present been discharged from infirmary into constabulary custody.
The hospital, connected the borderline of Brent and Ealing successful north-west London, was temporarily locked down during the incidental and witnesses described however patients and visitors were locked successful a nurses' room.
The gathering aboriginal reopened with a heightened constabulary presence.
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