Student protest against tuition fees

Student protests update: A protester wears the hat from a police officer

A protester tries on a police officer's hat Photograph: Suzanne Plunkett/Reuters

Student protests update: Police clear protesters who set up tents in Trafalgar Square

Police clear protesters after a breakaway group set up tents in Trafalgar Square Photograph: Dan Kitwood/Getty Images

Student protests update: Student protesters march through the City of London

Student protesters march through the City of London Photograph: Andy Rain/EPA

Student protests update: Demonstrators walk past the Museum of London

Demonstrators walk past the Museum of London near London Wall Photograph: Georgie Gillard/PA

Student protests update: Banner depicting Primce Minister David Cameron

A cut-out banner depicting the outlined face of prime minister David Cameron Photograph: Peter Macdiarmid/Getty Images

Student protests: A breakaway group of protesters begin to gather in Trafalgar Square

A breakaway group of protesters begin to gather in London's Trafalgar Square Photograph: Dan Kitwood/Getty Images

Student protests: Police officers arrest a protester

Police officers arrest a protester Photograph: Sang Tan/AP

Student protests: Students gather outside the University of London Union building

Students gather outside the University of London union building Photograph: Dan Kitwood/Getty Images

Student protests: A protester wearing a paper mask of Nick Clegg play-acts

A protester wearing a paper mask of deputy prime minister Nick Clegg play acts with a butcher's knife Photograph: Leon Neal/AFP/Getty Images

Police officers arrest a protester Photograph: Sang Tan/AP

Student protests: Hooded protestors march as students take part in a demonstration

Hooded protesters among the student demonstration Photograph: Peter Macdiarmid/Getty Images

Student protests: Police officers on duty at Students Protest

Around 4,000 police officers are on duty for the London protest Photograph: Dan Kitwood/Getty Images

Student protests: A man tussles with police as students take part in a demonstration

A man tussles with police during the students' demonstration near Trafalgar Square Photograph: Dan Kitwood/Getty Images

Student protests: A breakaway group of protesters begin to set up tents in Trafalgar Square

A breakaway group of protesters begin to set up tents in Trafalgar Square Photograph: Dan Kitwood/Getty Images

Student protests: Demonstrators arrive for the planned protest

Demonstrators arrive for the planned protest against government funding cuts and plans to raise tuition fees Photograph: Sean Dempsey/PA

Student protests: A student demonstrator wears a T-shirt reading

A student demonstrator sports a homemade T-shirt Photograph: Leon Neal/AFP/Getty Images

Student protests: Student demonstrators carry banners as they march in London

Socialist Worker and other placards are plentiful Photograph: Ben Stansall/AFP/Getty Images

Student protests: Students Protest Over The Rise In Tuition Fees

Students gather outside the University of London union building Photograph: Dan Kitwood/Getty Images

Student protests: A man holds a placard outside the University of London Union building

A man with pipe holds a placard featuring deputy prime minister Nick Clegg outside the University of London union building Photograph: Dan Kitwood/Getty Images

Student protests: Students take part in a demonstration against higher tuition fees

The thin lime-green line: police walk ahead of the protest Photograph: Dan Kitwood/Getty Images

Strong words are displayed outside the University of London union building Photograph: Dan Kitwood/Getty Images

Student protests: Student demonstrators carry banners as they march against cuts in London

The march gets into full swing Photograph: Ben Stansall/AFP/Getty Images

Student protest against tuition fees - in pictures