Police arrests sixth person in Manchester Arena attack

A woman has been arrested by the British Police in connection with the Manchester Arena terror attack that left 22 people dead and several others injured.

The unidentified woman was detained during an armed raid on a block of flats in Blackley, local media reports said.

She is the sixth person to be arrested in connection with attack that happened on Monday, moments after U.S. singer Ariana Grande finished her performance.

Earlier, the brother and father of Manchester attack bomber were arrested in Libya.

According to media reports, Libya's counter-terrorism forces arrested Hashem Abedi, 20, the brother of suspected attacker Salman Abedi on suspicion of links to the Islamic State group.

Salman Abedi's father Ramadan Abedi has also been arrested. A third brother, Ismail, has also been arrested after police raids in the UK. The family is believed to live between Manchester, where the children were born and grew up, and Libya.

Meanwhile, the British Police on Wednesday arrested fifth person in connection with the Manchester attack case.

Spokeswoman of Greater Manchester Police was quoted by the Independent as saying that "we have made an arrest in Wigan this afternoon in connection with the investigation into the horrific incident at Manchester Arena".

She added that the police were assessing the package the man was carrying.

Twenty two people were killed in a blast the Manchester Arena on Monday night, including an eight-year-old girl and an off-duty female police officer.

Military personnel have also been deployed to protect Britain's key sites after the national terror-threat level was raised to its highest level from severe to 'critical', signifying that another attack may be imminent.