Analysis of information sources in references of the Wikipedia article "เหตุระเบิดที่แมนเชสเตอร์อะรีนา พ.ศ. 2560" in Thai language version.
His parents escaped to Britain as refugees from Libya.
Raising the level to critical means that military personnel could be deployed to support armed police officers - part of a plan known as Operation Temperer.
his parents were Libyan refugees who came to the UK to escape the Gaddafi regime
