 Complete the following phrase:  On 10 August 2019 21 year old lone gunman Philip Manshaus opened fire on a mosque in Bærum, Norway, a suburbia 20 kilometers outside of Oslo. He injured one person and was then subdued by two worshippers. At the time of the shooting there were three congregants in the mosque before the gunman opened fire on the Al Noor Islamic center of Bærum. Before the incident he killed his adopted stepsister at their home and posted on 4chan ten minutes prior to the failed attack, praising the Christchurch shooter, the Poway synagogue shooter and the 