Police have released an image of a suspect in the hunt for a fare-dodger who spat at a bus driver through holes in their screen after he was asked to pay.
The vile incident occurred on March 21 - two days before the UK was placed on lockdown to halt the spread of coronavirus.
Three men and a woman had boarded the 68 bus travelling towards Camberwell on Walworth Road, at around 12.30pm when the driver asked them all to pay.
A row broke out and one of the men spat at the driver through the holes in the divide before the group got off the bus.
Officers from the Met Police's Roads and Transport Command released a CCTV image of a man they want to speak to.

A Met Police spokesman said: "Officers are asking that anyone who recognises the suspect to call 101 or tweet @MetCC and quoting CRIS 3009008/20.
"Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111."
Last month Transport for London changed the rules so passengers can only board buses using the middle door during the coronavirus pandemic.
The changes were brought in to protect drivers following concerns that a significant number of bus workers in London had died from Covid-19.
Earlier this week bus drivers were named as being among those most at risk of dying from coronavirus.
New devastating data reveals that those working in jobs classed as low-skilled - such as bus drivers, security guards, taxi drivers, chefs, and retail workers - have been heaviest hit by the killer virus.
People working in social care, including care workers and home carers, also have significantly higher death rates than the rest of the population, figures released by the Office for National Statistics (ONS) show.
Nearly two thirds of those to die were men, researchers found.