Immigration of non-EU citizens saw a "statistically significant" decrease to 244,000 last year, down from 269,000 the previous year.
ITV News UK Editor Lucy Manning reports that the Government links this to the fact that they have more control over non-EU immigration.
But statisticians said the fall was due to fewer New Commonwealth citizens - such as those from India - migrating to the UK for formal study.
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After the heatwave come the storms, with lightning flashes illuminating the night sky across much of the country last night.
An Independence Day event at a UK base has been cancelled by the US Air Force over security fears.
British firms predict the economy should sustain a "solid" pace of growth for the rest of the year thanks to lower oil prices and inflation.