![This undated photo obtained on May 25, 2017 from Facebook shows Manchester-born Salman Abedi, suspect of the Manchester terrorist attack on May 22 on young fans attending a concert by US pop star Ariana Grande.
The May 22 attack was the deadliest in Britain since 2005 when four Islamist suicide bombers attacked London's transport system, killing 52 people. / AFP PHOTO / FACEBOOK / - / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / FACEBOOK" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ACCQVKEFOEU5SQ36ICVUGLPI6M.jpg?smart=true&auth=8d370ddd3d603b707d2bdda5d0b2f1232dffe5b12f1d8dafffb0daba2cd71700&width=400&height=225)
Manchester suicide bomber Salman Abedi. His brother Hashem was equally guilty, prosecutors said. AFP
Manchester suicide bomber Salman Abedi. His brother Hashem was equally guilty, prosecutors said. AFP
The Brothers Grim: How the Abedis plotted the 2017 Manchester attack
Hashem Abedi provided the technical expertise and the materials for the attack