Authorities

• A list of mass killings in the United States this year - The latest mass killing in the United States occurred Saturday night when three children ages 8, 9 and 14, and a 21-year-old adult were killed in a shooting at a child’s birthday party in California. This is the country’s 17th mass killing
• Hong Kong authorities say netting on buildings that caught fire did not meet code - Hong Kong officials said Monday that the protective netting that covered scaffolding around buildings that caught on fire last week in a massive blaze did not meet codes for fire resistance, as a wave of public sympathy and support was met