In 2006 Cameron described poverty as a "moral disgrace" and promised to tackle relative poverty. In 2007 Cameron promised, "We can make British poverty history, and we will make British poverty history". Also in 2007 he stated "Ending child poverty is central to improving child well-being". In 2015 Polly Toynbee questioned Cameron's commitment to tackling poverty, contrasting his earlier statements agreeing that "poverty is relative" with proposals to change the government's poverty measure, and saying that cuts in child tax credits would increase child poverty among low-paid working families. Cameron denied that austerity had contributed to the 2011 England riots, instead blaming street gangs and opportunistic looters.