FBI 'warned MI5 in January that Salman Abedi was planning terror attack in UK'

British intelligence agency MI5 was reportedly warned by its US counterpart that Salman Abedi was planning an attack on UK soil, three months before he blew himself up outside an Ariana Grande concert in Manchester. 
Read more: http://www.independent.co.uk/news/uk/home-news/fbi-warned-mi5-january-manchester-attack-bomber-salman-abedi-manchester-arena-a7760756.html?source=Snapzu