26 May, 2017
She said Abedi had been known to security services before the bombing.
U.S. security sources, citing British intelligence officials, said Abedi was born in Manchester in 1994 to parents of Libyan origin.
British police chiefs said the breaches of trust between security service partners were undermining their efforts, while earlier Rudd scolded USA officials for leaking details.
The 29-year-old's family had been appealing for information about their son who had been missing since the Ariana Grande concert on Monday night which ended in tragedy.
Officials are examining Abedi's trips to Libya and Syria as they piece together his allegiances and try to foil any new potential threats.
Britain was braced for further terrorist attacks following the Manchester atrocity as Theresa May said the threat level was being raised to its highest possible rating.
Abedi was a student at University of Salford in Manchester, where he was studying business and management and though enrolled in the current academic year he had not been attending classes.
The force, known as Rada, detained the brother Hashem Abedi, who was born in 1997, on Tuesday evening on suspicion of links to Islamic State, spokesman Ahmed Bin Salem said.
Police say they conducted a pair of raids on Tuesday, one in the Whalley Range neighborhood, in which they scoured the suspect's home, the other in nearby Fallowfield, which police said included a "controlled explosion to enable safe entry". Neighbor Adam Prince said the raided apartment had been used as an Airbnb.
Across London, troops fanned out and authorities implemented special security plans.
Police keep guard on a cordoned area in Manchester, England, Wednesday, May 24, 2017. The traditional ceremony is a major tourist attraction in London.
Meanwhile up to 10 victims have been identified so far by the British authorities.
Chelsea soccer club said it had cancelled a victory parade that had been scheduled to take place in London on Sunday to celebrate its Premier League title.
Met Police Assistant Commissioner Mark Rowley, who is the national counter-terrorism policing lead, said the investigation was "fast-moving and making good progress". Abedi is believed to have family members still in Libya, but so far, the United States has not been able to determine where they are.
A Turkish official told The Associated Press that the 22-year-old suspect travelled through Istanbul and Duesseldorf on his way to Britain. He also confirmed that his son visited Libya a month-and-a -half ago.
In Libya, authorities arrested Abedi's father and younger brother. Now he is a manager for the Central Security force in Tripoli.
Even though the senior Abedi denied that he was a member of the Libyan Islamic Fighting group, former Libyan security official Abdel-Basit Haroun told the AP that the elder Abedi was a member in the 1990s of the group, which had links to al-Qaida.
Greater Manchester Police said they were now confident they knew the identity of all the people who lost their lives and had made contact with all the families.
Hopkins said there has been increased police presence on the streets of Manchester, with support from the military. He said the man, in his 40s, is named Adel and has a wife and several children. He did not give any details on the reasons why the father was arrested. "I haven't seen police come to his house".
Officials are probing how often Abedi had traveled to Libya, which has seen an eruption of armed Islamist groups since dictator Moammar Gadhafi was overthrown and killed in 2011.
She said up to 3,800 soldiers would be deployed on Britain's streets, freeing up police officers to carry out patrols and investigatory work.
British officials hadn't, for example, released the name of the bomber until it surfaced in the USA media based on leaks from U.S. officials briefed by their British counterparts.
"So it is irritating if it gets released from other sources and I have been very clear with our friends that that should not happen again".
British officials said Abedi had been on the radar of the intelligence community before the massacre. "The total number [of people] in custody is at four", he said.
