The warning, which means there could be a risk to life, will be in force in parts of England and Wales from 09:00.
British Transport Police says the collision, which killed a train driver, is being investigated.
A driver was killed in the collision between the 16:40 train from Corby and 15:50 service from Nottingham on Friday.
This week’s cybersecurity recap covers Firefox and Chrome bugs, EDR-killer tools, a TV botnet, an OpenBSD flaw, Android ...
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