Police in Wolverhampton have evacuated Wolverhampton Central Mosque and a number of surrounding roads as part of a security alert.
Police said a military bomb disposal team is en route.
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Bodies are being buried in backyards and overwhelming morgues as officials try to find another plot of land to lay them to rest.
Authorities have warned that the death toll is likely to rise as much of the building is yet to be searched.
The PM will sound out the possibility of new free trade agreements with Gulf states for once the UK has left the EU.