abstract: Lines of communication: an inquiry into the July 7 London bombings heard that, in its immediate aftermath, staff had no idea what colleagues at other trusts were doing. Nurses told the Greater London Assembly's July 7 review committee last month how colleagues had been forced to run up and down the street to keep themselves up to date with events and find out how many casualties there were. Chief nurse at Great Ormond Street Hospital for Children Judith Ellis said that staff in her trust had treated casualties without knowing if other hospitals had been bombed.