Citizen journalism involves members of the public playing an active role in collecting, reporting, analyzing and sharing news and information. It is a specific form of citizen media. The document discusses how citizen journalists provided accurate and valuable reports and media during the 2005 London bombings. Their photos, videos, texts and emails comprised an integral part of how the BBC reported on the attacks. The large volume of user-generated content they received overwhelmed their small team and showed that audiences could now participate in the news process in unprecedented ways.