Chief Secretary to the Treasury Danny Alexander has told ITV News the fall in inflation is a "welcome relief" for families who have been under financial pressures in recent years.
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Labour leadership candidate says Britain playing its role in the migrant crisis would help Cameron secure the promised reforms in Brussels.
Ten people have been taken to hospital and another two treated for injuries after a bus crashed into a tree in east London.
Cloudy skies for most as the Bank Holiday weekend begins - with brighter breaks through the south-east, the Midlands and East Anglia.