and the french government is to hold an emergency meeting with uefa and the paris authorities after police fired tear gas at liverpool fans during the champion s league final. 78 minutes that is the precise length of time police are understood to have waited before going into the elementary school in texas to tackled the gunman, who killed 19 children and two teachers. public anger has been growing since the revelation on friday that officers waited in a hallway as children trapped with the teenage gunman made desperate emergency calls. the usjustice department is to investigate the cause of that delay. president biden met grieving families on a visit to uvalde earlier, along with survivors and first responders. barbara plett usher reports from the town. this is the hardest visit a president has to make, especially when the victims are so young. mr biden and his wife, jill, joined the mourning of a devastated community, pausing to recognise each of those murdered at this sc