Manchester attacker Salman Abedi bought most bomb parts himself: UK police

Police probed his last movements by delving into his phone calls and watching his movements on CCTV

Manchester suicide bomber Salman Abedi likely purchased most of the key bomb components himself and many of his actions were carried out alone, British police investigating the attack said.

Officers in the northern English city have arrested 16 people since the attack in a packed concert hall killed 22 children and adults and injured 116 others last week.

"Our enquiries show Abedi himself made most of the purchases of the core components and what is becoming apparent is that many of his movements and actions have been carried out alone during the four days from him landing in the country and committing