Britain faces a “new threat” of terrorism and extreme violence from “loners, misfits, young men in their bedrooms” following the Southport murders, Sir Keir Starmer has warned.

The Prime Minister spoke live to the nation from Number 10 Downing Street on Tuesday in response to the Southport attack

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Last summer’s Southport killings will mark a “line in the sand” for Britain, Sir Keir Starmer has said, promising to introduce new terror laws if necessary.

The trial of the young man who stabbed three children to death in July 2024 provided evidence of his long-standing radicalization, which had been detected but not dealt with by social services.

Keir Starmer has said the Southport killings by teenager Axel Rudakubana 'must be a line in the sand for Britain' and there must be “fundamental change” in how the country protects its children. It comes as the government said they will undertake an inquiry into the 'barbaric' murders of three young girls at a Taylor Swift dance class last year.

The Prime Minister has defended his actions after he was blasted with accusations of being part of a Southport "cover-up" while he admitted knowing details of the attack. His statement has followed his earlier admission that the British state failed the three girls who had been brutally murdered by Axel Rudakubana at a Taylor Swift dance class

Keir Starmer announces public inquiry into Southport killings Keir Starmer announces public inquiry into Southport killings. Watch more on Independent TV: The Independent is the world’s most free-thinking newsbrand,

There are “grave questions” to answer about how the state failed the Southport murder victims, Sir Keir Starmer has said. The Prime Minister welcomed the news that Axel Rudakubana, 18, of Banks, Lancashire,