Police officers are seen on Sutcliffe Street after Sunday's explosion outside Liverpool Women's Hospital in Liverpool, Britain, on Nov. 15, 2021. British police on Monday said the explosion outside Liverpool Women's Hospital in Liverpool is being treated as a terrorist incident. (Photo by Chris Neill/Xinhua)

Police are seen near Sutcliffe Street after the explosion outside Liverpool Women's Hospital in Liverpool, Britain, on Nov. 14, 2021. British police on Monday said the explosion outside Liverpool Women's Hospital in Liverpool is being treated as a terrorist incident. (Photo by Chris Neill/Xinhua)

A police officer is seen on Sutcliffe Street after Sunday's explosion outside Liverpool Women's Hospital in Liverpool, Britain, on Nov. 15, 2021. British police on Monday said the explosion outside Liverpool Women's Hospital in Liverpool is being treated as a terrorist incident. (Photo by Chris Neill/Xinhua)