A medical worker was stabbed multiple times in a "shocking and senseless attack" at an NHS hospital in east London.
A member of public launched the attack early this morning while the woman was working in the A&E department at Newham University Hospital.
The victim, a 50-year-old woman who the hospital said was a member of nursing staff, has been treated and discharged.
Police, called shortly after midnight, said the attacker used a pair of scissors.
A man has been arrested in connection with the incident.
Shane Degaris, deputy group chief executive of Barts Health NHS Trust said: "An emergency department assistant at Newham Hospital was stabbed by a member of the public while at work early this morning.
"This was a shocking and senseless attack on a member of staff doing their duty."
He said in the wake of the attack there would be a security review.
"The Trust condemns any form of violence and aggression against our dedicated and hard-working staff. In the light of this incident we are reviewing security at all our hospitals to ensure the safety of all our staff and patients at all times," he added.
"The victim was treated in the Emergency Department, admitted to a ward and has since been discharged home. Police apprehended the perpetrator."
A statement from Scotland Yard a man was arrested on suspicion of GBH.
This continued: "Police were called at 00:27hrs on Wednesday, 12 June to reports of a stabbing at the Hospital.
"The victim aged 50 suffered multiple stab wounds caused by a pair of scissors. Her injuries have been assessed as non-life threatening.
"The male suspect aged 27 was arrested on suspicion of GBH at the scene. He remains in an east London Police Station where he continues to be questioned."
Police are asking anyone with information contact them by calling 101 quoting CRIS 163/12 June or contacting Crimestoppers anonymously via 0800 555 111.
