Social media site Facebook is back online after a third outage in the last three months. The last time the service was interrupted briefly came on August 1.
More top news
The former prime minister suggested a Jeremy Corbyn government would be a 'very dangerous experiment'.
Schools in London, Brighton and Newcastle were among those closed after bogus security threats.
The World Health Organization said postponing the 2016 Games would not 'significantly alter' the spread of the Zika outbreak.