The US president has called for 'healing and peace' a day after a 19-year-old man was accused of killing at least 17 people at a Florida high school, saying his administration will work to improve school safety and address mental illness problems. 'We must also work together to create a culture in our country that embraces the dignity of life, that creates deep and meaningful human connections,' Trump said at the White House, adding that he planned to visit victims and local authorities in Parkland at a later date

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