The principal of Columbine High School has offered his condolences to the families of the victims killed during a school shooting in Newtown, Connecticut.
"It's a reminder of how vulnerable we are as a society," he said.
"As a society we have to come together, we have to stop these senseless deaths." reports the Denver Post.
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Ex-Dragon's Den star Doug Richard has pleaded not guilty to a string of child sex charges after appearing before the Old Bailey.
The independent child sexual abuse inquiry has named the first institutions facing investigation - including local councils and the Church.
The Queen has paid tribute to both her husband and son in her opening speech at this year's Commonwealth summit.