Police were called at 9.43pm on Tuesday, 19 March to Knights Close, Hackney, following reports of a domestic disturbance at a residential address.
A 28-year-old man was reported to be armed with knives and making threats to kill.
Specialist firearms officers attended the scene.
One officer sustained a slash injury. Firearms officers were deployed and a male was shot by police.
He has been conveyed to an east London hospital; we await an assessment of his condition.
The officer’s injury is not believed to be life-threatening. There are no other reported injuries.
The Met’s Directorate of Professional Standards has been informed.
The Independent Office for Police Conduct are aware and have launched an independent investigation.