Part of a university in south-west London has been evacuated after a suspected unexploded World War Two bomb was found on a nearby building site.
Students at Kingston University London had to leave part of the Penryhn Road campus while officers investigate.
The Met Police said it was called at 09:15 BST and had since asked for help from the Ministry of Defence.
A police cordon in place in Fassett Road has closed two nearby polling stations.
Kingston University said: "[The campus] will be closed for the rest of the day. All staff and students based at Penrhyn Road may go home.
"Be prepared that the campus may also be closed tomorrow."
Kingston Council confirmed two polling stations being used for the European elections have been closed while the device is dealt with.
St John the Evangelist Church in Grove Lane has moved to St Mark's Church in Surbiton and St Raphael's Catholic Church Hall in Portsmouth Road has moved to Glenmore House, The Crescent.