A father-of-two has died after being pushed under a moving lorry as he chased a gang which tried to rob his cash and carry.
Shammi Atwal has been praised by police for confronting the gang members, who were armed with metal bars and a sledgehammer, and defending his wife.
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Parents and psychologists have warned of a technology addiction crisis, with one mother revealing how her son "simply stopped functioning".
Hamid Ali Jafari, whose father Ali Yawar Jafari, 82, was killed said he prayed every day that he would die so he could see his father again.
Sajid Javid has used his first major speech since his appointment as Home Secretary to offer an olive branch to police officers.