Gavin Williamson, the MP for South Staffordshire, says he wants his constituents to be reassured this type of protest will never happen again.
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Nottinghamshire Police say Melanie's family are distraught, and that there is no indication as to why she may have gone.
Smail Ayad allegedly murdered Mia Ayliffe-Chung and Tom Jackson during a knife attack in a hostel in Australia.
A 16-year-old boy is due before magistrates today charged with two attempted rapes and three sexual assaults in Nottingham.