For the attack in Manchester is a network of

6 days after Salman Abedi, killed 22 people at a concert of Ariana Grande at the Manchester Arena, the authorities searched several apartments during the investigation which extended to Libya, where his relatives live.

They also published a CCTV image of Abedi on the night of the attack that shows that he's wearing a hat, glasses and a dark top. According to the report, on Monday, police arrested 23-year-old man in Sussex, South of London, on suspicion of crimes related to terrorism.

Investigation of Abedi, who was known to the security services and had just returned from Libya before the explosion, still resulted in the arrest of 14 people. Authorities said 2 more people were arrested and released. On Sunday, the police arrested 19-year-old man in Gorton and 25-year-old man at the old Trafford in Manchester on suspicion of terrorist offences.

In interview Bi-bi-si on Sunday, the interior Minister amber Rudd acknowledged that some members of the network, Abedi can still be free. "Intelligence is still gathering information about (Abedi) and the people around him," said Rudd.

Rudd's statement came the next day, after Britain has reduced the terrorist threat to "severe" from "critical" after a meeting between the Prime Minister of great Britain Teresa May and the security chiefs.

The decision to downgrade threats from the highest level was adopted by the joint Center for analysis of terrorism in the country in light of the arrests in the investigation of the attack in Manchester, said may. The level was raised to "critical" after the attack on Monday.

On Saturday, police said they determined the place where, in their opinion, Abedi assembled the bomb used in the attack.

In a statement police said: "Investigation is in full swing, and we know that one of the last places where, Abedi went to this apartment in the city centre, and from there he left to get to the Manchester arena. The apartment is very important as a place that, in our opinion, could be the ultimate place of Assembly of the device."

sections: Politics, World News, Accidents, Accidents