'What is haunting are those screams': 7/7 survivors and responders tell their storiesToday marks 20 years since the 7/7 attacks, which saw four suicide bombers kill 52 people and injure 770 others on the London transport network.
Source: 'What is haunting are those screams': 7/7 survivors and responders tell their stories (https://news.sky.com/story/77-bombings-stories-that-define-the-bravery-of-victims-and-responders-20-years-on-13393139)