There has been a zero tolerance crackdown on crime in east London. A man who did not have his dog on a lead and another who dropped a matchstick were both targetted.
Police took a no mercy approach to those breaking the law in Newham today.
Operation Ohio is a joint initiative between the Met and Newham Council to crack down on crime.
Marcus Powell went with the team on patrol.
More top news
Corbyn was unveiling a poster less than a mile away as Khan gave his final campaign speech to party supporters in London.
Hay fever is an allergic reaction to airbourne pollen. There are 2 million sufferers in London (that's one in 5 people).
The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.