Police have released a picture of the 91-year-old victim of a street robbery in Highgate.
The woman, who has been named only as Lynne, broke an arm and suffered severe bruising to her face, neck, shoulder and leg. She has also required an emergency operation to remove a blood clot from her head.
Lynne had been walking to the shops at lunchtime on Tuesday 14 August when someone grabbed her bag and pushed her over, causing her to bang her head.
PC Paul Hallas, the investigating officer, of Haringey CID said:" Whoever did this left an elderly woman on the ground in the street, without a care for her welfare.
"Words can't express the level of depravity the perpetrator stooped to when he targeted this woman."
A 49-year-old man has been arrested on suspicion of robbery.
Police have arrested a man in connection with the robbery of a 91 year old woman in North London. She was left badly injured and suffered a broken arm in the attack.
The pensioner had been to the local shops in Highgate when someone tried to grab her bag. The thief got away with just twenty pounds.
Detectives continue to appeal for witnesses and information after a pensioner was robbed and injured in Highgate.
The police have asked for the public's help in tracing the man responsible.
Police are issuing photographs showing some of the woman's injuries.
At about 1.30pm on Tuesday 14th August a 91 year-old woman named Lynne had been to shops in Archway Road and was walking in Church Road N6.
The woman, who lives locally, was near the junction with Talbot Road N6 when she felt someone pulling at her bag.
She saw someone's hand in her bag and tried to pull away but was pushed, causing her to fall to the ground and bang her head.
A man made off with her purse, which contained her bank card, travel pass and £20 cash.
Lynne suffered bruising and swelling to her face, neck, shoulder, leg and a broken arm.