The horrific Manchester bombing has many facets beyond the immediate carnage and loss of life, including the decision by Western nations to topple the Libyan dictator Muammar Qaddafi in 2011, which prompted years of chaos both in Europe and the Middle East. Some of that chaos was caused by Arab-Muslim exiles returning to their homeland in order to participate in the war to topple Qaddafi as well as the ongoing civil war. The New York Times has a fascinating story describing how momentous foreign policy decisions can have unforeseen consequences domestically.
…and now in London.