Facebook hosted terrorist propaganda that celebrated the murder of Jews and praised Islamic State, a leading anti-hate group has alleged. The posts included celebrations of the Bondi beach massacre that the Community Security Trust says Facebook has been too slow to take down. The posts were still on Facebook on 16 December, two days after the attack, and received shares and likes. Some accounts are Britain-based and those have been reported to counter-terrorism police in the UK as a matter of urgency. One post shows video of the aftermath of the Bondi beach attack, which was allegedly carried out by...