Swastikas found scrawled near Jewish school
London Mayor Sadiq Khan has called for an end to the politics of division in the wake of Donald Trump's US election victory.
Mr Khan warned whole communities are feeling "increasingly disconnected".
His remarks came as images emerged of vehicles daubed with swastikas near a Jewish girls' school in Stamford Hill, north London.
Pictures posted on Twitter by the neighbourhood watch group, Shomrim, also showed "F*** off" had been scrawled on one the vans targeted.
Shomrim said: "This was noticed this morning. The vandalised vehicles were parked opposite the entrance of a Jewish girls' school.
"Young schoolchildren and their parents were shocked to discover the offensive graffiti."
In a separate case, Nazi stickers posted on lampposts and doors were spotted in Liverpool streets on Remembrance Sunday. Merseyside Police confirmed officers are investigating.
Speaking at a conference at City Hall, Mr Khan said: "We have seen major political upheaval around the world in recent months, with the EU referendum here in the UK and the presidential election in the US.
"This has shown how politics is becoming more and more polarised with whole communities in cities across the world feeling increasingly disconnected and estranged from national politics.
"That's why now, more than ever, we need to build a strong sense of social solidarity within our cities - a renewed sense that we are united as neighbours and citizens.
"We need to see real leadership in cities across around the world if we are to avoid communities becoming increasingly divided."
He added: "Promoting social integration means ensuring that people of different faiths, ethnicities, social backgrounds and generations don't just tolerate one another or live side-by-side, but actually meet and mix with one another and forge relationships as friends and neighbours, as well as citizens.
"We know that when this happens, trust grows, communities flourish and become more productive, healthier and, ultimately, more prosperous for everyone."
Figures have shown a jump in race or religious hate crimes recorded by police in the weeks after the EU referendum.
The number of racially and religiously aggravated alleged offences logged by forces in England and Wales in July was 41% higher than in the same month last year.
The number fell in August, but remained at a higher level than prior to the referendum.