Martin Luther King memorial dedication – in pictures

People sleep before the start of the Martin Luther King Memorial dedication ceremony in Washington DC. The long awaited dedication of the US national memorial to slain civil rights icon Martin Luther King had been rescheduled from the 48th anniversary date of King's "I Have A Dream" speech due to Hurricane Irene Photograph: Mladen Antonov/AFP/Getty Images The Rev Jesse Jackson speaks to a reporter before the dedication ceremony Photograph: Brendan Smialowski/Getty Images Entertainer Stevie Wonder arrives at the dedication ceremony Photograph: Molly Riley/Reuters A guest arrives holding a document bearing the image of Martin Luther King Photograph: Charles Dharapak/AP The Rev Cal HP Merrell, of Atlanta, Georgia, holds up a photo of Coretta Scott King, wife of Martin Luther King Photograph: Brendan Smialowski/Getty Images People sing during the dedication ceremony Photograph: Brendan Smialowski/Getty Images Dr Christine King Farris, sister of Martin Luther King, waves after speaking at a dedication ceremony Photograph: Brendan Smialowski/Getty Images US President Barack Obama andMichelle Obama make their way to the stage during the dedication ceremony Photograph: Mandel Ngan/AFP/Getty Images Aretha Franklin sings before President Barack Obama's speech Photograph: Charles Dharapak/AP President Barack Obama delivers his speech at the dedication ceremony Photograph: Molly Riley/Reuters President Barack Obama, Michelle Obama, and the US vice-president Joe Biden welcome singer Stevie Wonder to the stage Photograph: Charles Dharapak/AP President Barack Obama and his family look at the memorialto Martin Luther King in West Potomac Park Photograph: Larry Downing/Reuters