Thousands protest in Bangkok

Anti-government protesters shout slogans as they ride motorcycles to the main gates of the 11th Infantry Regiment headquarters in Bangkok Photograph: David Longstreath/AP Photograph: David Longstreath/guardian.co.uk Red-shirted supporters of deposed Thai premier Thaksin Shinawatra wave flags and shout slogans Photograph: Pornchai Kittiwongsakul/AFP/Getty Images Photograph: Pornchai Kittiwongsakul/guardian.co.uk A Thai soldier secures the gates after a grenade attack at a military base in Bangkok Photograph: Damir Sagolj/Reuters Photograph: Damir Sagolj/guardian.co.uk Supporters of Thaksin gather in downtown Bangkok Photograph: Athit Perawongmetha/Getty Images Photograph: Athit Perawongmetha/guardian.co.uk A rally of the 'red shirts' Photograph: Athit Perawongmetha/Getty Images Photograph: Athit Perawongmetha/guardian.co.uk Supporters of Thaksin want the current PM to dissolve parliament and call fresh elections Photograph: Athit Perawongmetha/Getty Images Photograph: Athit Perawongmetha/guardian.co.uk Riot police stand behind barbed wire to prevent protesters reaching army barracks Photograph: Udo Weitz/EPA Photograph: Udo Weitz/guardian.co.uk Protesters from the United Front for Democracy Against Dictatorship dance to an early morning rock song near the Democracy monument Photograph: David Longstreath/AP Photograph: David Longstreath/guardian.co.uk Riot police stand guard at Royal Plaza, where supporters of the deposed Thai premier Thaksin Shinawatra gathered for a mass rally Photograph: Christophe Archambault/AFP/Getty Images Photograph: Christophe Archambault/guardian.co.uk Supporters of the deposed Thai premier Thaksin Shinawatra wear T-shirts bearing his image Photograph: Christophe Archambault/AFP/Getty Images Photograph: Christophe Archambault/guardian.co.uk A Buddhist monk holds a fan with a picture of the former premier Thaksin Shinawatra Photograph: Damir Sagolj/Reuters Photograph: Damir Sagolj/guardian.co.uk Thaksin supporters wave red flags during a rally at the Democracy Monument in downtown Bangkok Photograph: Christophe Archambault/AFP/Getty Images Photograph: Christophe Archambault/guardian.co.uk Thaksin supporters sit in a truck while Thai soldiers stand guard at a market near Government House Photograph: Narong Sangnak/EPA Photograph: Narong Sangnak/guardian.co.uk Supporters of the deposed Thai premier Thaksin Shinawatra carry his portrait at a rally Photograph: Pornchai Kittiwongsakul/AFP/Getty Images Photograph: Pornchai Kittiwongsakul/guardian.co.uk Protesters shout slogans during a mass rally on Ratchadamnoen Road Photograph: Rungroj Yongrit/EPA Photograph: Rungroj Yongrit/guardian.co.uk Buddhist monks hold banners during a protest Photograph: Damir Sagolj/Reuters Photograph: Damir Sagolj/guardian.co.uk