Ms Collins and Ms Benjafield were waiting to get on a number 96 bus when the ramp came down and Ali rode off on his scooter.

Ali told the court that he making his way to Lidl to buy some food when he passed the elderly women outside Southeast Models

Giving evidence he said he was the midst of a diabetic crash and was feeling drowsy after his daily morphine intake.

Ali explained: 'That day I was not feeling well. I was having a diabetic crash. That was what was happening. Basically, I am on morphine, a 116 milligrams a day.'

Ali is also accused of ambushing 72-year-old Michael Gibson in another random attack in nearby Woolwich High Street on January 2.