Update: Tube Explosion in London September 15, 2017 The Office of International Programs is monitoring closely the news of an explosion in the London suburban Tube station of Parsons Green. Reports indicate that there are 22 injuries, but no reported deaths, and the explosion has been determined to be terror-related. Drexel has reached out to all known international travelers in London with all travelers reporting in as safe. The UK government has raised its threat warning from substantial to critical.