Two demonstrators jump from the top of a bonfire in Parliament Square, as students demonstrate against planned tuition fee increases in London, England, on Dec. 9. Dominic Lipinski/AP
Police officers scuffle with demonstrators, and the media, during a student protest in London, England, on Dec. 9. Stefan Wermuth/Reuters
British students try to remove barriers set up by British police officers during scuffles following a protest march on Dec. 9 in London, England against government plans to triple tuition fees. Lefteris Pitarakis/AP
Police officers try to control demonstrators during a student protest in London, England, on Dec. 9. Stefan Wermuth/Reuters
Police officers stand in Parliament Square, before a student protest, in London, England, on Dec. 9. Andrew Winning/Reuters
Thousands of students march through the streets of central London to the Houses of Parliament on Dec. 9. Sang Tan/AP
Standing on the plinth of a statue of wartime leader Winston Churchill, British students protest in London, England, on Dec. 9. Lefteris Pitarakis/AP
Students march during a protest against proposed tuition fee rises in Birmingham, England, on Dec. 8. Darren Staples/Reuters
Students protest against proposed tuition fee rises in Birmingham, England, on Dec. 8. Darren Staples/Reuters
A student protests in Parliament Square in London, England, on Dec. 9. Lefteris Pitarakis/AP
Negotiators from over 190 countries have failed to agree on a global warming pact in the two weeks allocated for the UN climate talks, which were scheduled to end Friday in Lima, Peru.
U.N. talks on a new global warming pact went into overtime Saturday as negotiators considered a draft agreement that environmentalists complain fails to clearly define the responsibilities countries are due to accept at a key summit in Paris next year.