A man was punched in the face and robbed of his wallet in Acton the early hours of the morning.
The 47-year-old victim was attacked while walking along the A40, near Old oak Common Lane in Acton and later treated in a hospital.
The robber made off with £10 cash and bank cards at about 5.30am on Monday.
A pensioner lost £60 cash and her bank cards when she was scammed by two conmen claiming to be from the water board.
The thieves knocked on the 76-year-old's door, in Cowings Mead, Northolt, and said they need to come in and switch off her water supply.
One followed her to the kitchen while the other went to the living room and raided her handbag at about 8.45pm on Saturday.
Both men are white. The first is about 20-years-old, 5ft 6ins tall and wore a high visibility jacket - the other is aged between 50 to 55 and about 5ft tall.
A bogus charity worker conned cash from a pensioner after knocking on her door.
The fraudster visited a 70-year-old in Greenford, claiming she was working for Gold's Gym who were collecting money for the NSPCC.
The victim handed over £5 before being called shortly after, on February 2, by a neighbour warning her about the trickster.
The scammer is female, Asian, about 25, 5ft 5ins with long, dark hair.
Anyone with information on these crimes should call Ealing Police on 0300 123 1212.