Researchers at Newcastle University have released this footage of controlled explosions in London Underground carriages.
The first explosion shows a decommissioned carriage similar to that targeted by terrorists on the London Underground in 2005.
The second explosion is on a prototype carriage that has been redesigned by engineers to provide better protection for passengers.
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The hunt for murder suspect Jed Allen has ended after police found his body two days after discovering his mother, stepdad and sister dead.
A woman who had been searching for her mother for more than ten years has been reunited with her after posting an appeal on social media.
Although a dull start can be expected, it will brighten up in eastern areas. Especially to the south.