Police are asking the public for tips as they try to track down a suspect in what they say was a "ruthless assault" on a 30-year-old man at the Southgate LRT station last month.

A 23-year-old man has been arrested after an explosion at Southgate tube station. In a statement, British Transport Police said: "Enquiries continue this morning into a small explosion at ...

I was at Southgate Station when this commotion started. I could smell burning (like rubber) and saw multiple people hurrying for the exits. I was outside the station about to enter the 125 bus.