A simple breath test could be used to diagnose lung infections such as TB by identifying bacterial "fingerprints", scientists have said.
Researchers from the University of Vermont distinguished between different types and strains of bacteria by testing the breath of mice.
A scaled up version of the technique could reduce the time it takes to diagnose lung infections in humans from days and weeks to just minutes, it is claimed.
More top news
The unexploded bomb was found near the Houses of Parliament and led to disruption in central London overnight.
Southern parts of England and Wales will see sunny skies after a frosty start.
A young child is among three deaths caused by a man who deliberately drove into crowds of people in the city centre of Melbourne.