Countdown to carnage

2011 Aged 16, Abedi travels to Libya and fights alongside his father in a militia known as the Tripoli Brigade to oust Gaddafi. Thought to have earlier been in contact with jihadis

2012 Two friends contact a counter-terror hotline to report him – the first of several missed opportunities to tackle Abedi

2014 Returns to Manchester with his mother before taking up a place at Salford University

2015 Drops out of university. An imam at Didsbury Mosque claims Abedi looks at him “with hate” after he gave a sermon criticising Islamic State and Ansar al-sharia in Libya

May 2016 An 18-year-old friend, Abdul Wahab Hafidah, nicknamed “Mudz”, is killed, deeply affecting Abedi

Oct 2016 His mother returns to Tripoli

April 2017 The US fires missiles at an air base in Syria, said by his sister to have infuriated Abedi Early May 2017 Abedi joins his family in Tripoli

May 17 Leaves Tripoli for Istanbul before flying out, via Dusseldorf, the following day

May 19 Captured on CCTV at the Arndale centre, where he is thought to buy the rucksack he uses to conceal his bomb

May 22 Leaves flat on Granby Row and heads to Manchester Arena