In the United States, atleast 20 people dead and more than 100 injured in a mass shooting at a Las Vegas concert.<br/><br/>Police said a gunman opened fire from the 32nd floor of the Mandalay Bay Hotel toward an open-air music festival being held close by. <br/><br/>Police said a suspect identified as a local resident had been shot and killed by officers. They said they were looking for a companion travelling with the suspect as a person of interest.<br/><br/> Police have also advised people to avoid the area. The shooting occured at about 22:30 local time. Authorities have shutdown some places of the Las Vegas Strip. <br/><br/>Flights in and out of the McCarran International Airport in Las Vegas have been temporarily halted because of the incident.