The Supreme Court of India orders the government to seek international help after examining photos submitted by environmentalists showing a change in colour of the Taj Mahal. (BBC)
Edifício Wilton Paes de Almeida, a 26-story tower block in São Paulo, Brazil, is destroyed by a fire and consequent collapse. Neighbouring buildings are also damaged by fire. Authorities warn the casualty toll is "likely to be high". (Metro)
Far-left anarchists clash with riot police in central Paris, France. Several businesses are looted and set on fire, including a McDonald's restaurant and Renault garage. Hundreds are arrested. (Reuters)