The bomb used in the terrorist attack in Liverpool on Remembrance Sunday was made with homemade explosives and ball bearings and could have caused “significant injury or death,” UK police said on Friday. Emad Al Swealmeen, 32, died in the blast in a taxi outside Liverpool Women’s Hospital shortly before 11 a.m. on Nov. 14. Taxi driver David Perry escaped from the explosion with injuries. The incident has been declared a terrorist attack and the UK terror threat level has since been raised from substantial to severe, meaning an attack is “highly likely” rather than “likely.” Updating the media on the terror investigation on Friday, Assistant Chief Constable Russ Jackson, head of Counter Terrorism Police North West, said: “Although there is much scientific work to do on the device to determine what made it up, we have learned a great deal over the past five days. “It was made using …