Many of us don't give much thought to the air that we breathe, but scientists from the University of Leicester are doing just that to learn how pollution affects us.
In a world-first experiment they've mapped the whole of the city by plane, to see how fumes and emissions are carried around. They hope the work will mean we can lead cleaner, healthier lives. Chris Halpin reports.
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Police forces from across the region have been expressing their solidarity with colleagues in Manchester following last nights attack.
There are children among the 22 killed in the Manchester attack, officials have confirmed the attacked died at the scene.
The RSPCA are urgently encouraging potential fosters to get in touch.