• Boris Johnson, the London mayor who wants to buy water cannons for possible deployment against rioters and was challenged in a radio interview to stand in front of a jet of water from a cannon to show it's not dangerous, told LBC presenter Nick Ferrari, "All right, you've challenged me to this. I suppose I'm going to have to do it now."

• Tanishq Abraham, a home-schooled 10-year-old Sacramento, Calif., boy who has become one of the youngest people to graduate from high school, is taking college courses and says he wants to be a scientist, but also president.

• Jay Nixon, the Democratic governor of Missouri, vetoed a package of special sales-tax breaks for power companies, restaurants, computer data centers and others that he said could bust a $425 million hole in the state budget while also jeopardizing hundreds of millions in local tax revenue.

• Wendy Davis, the Democratic gubernatorial candidate in Texas, replaced her campaign manager, Washington-based consultant Karin Johanson, with state Rep. Chris Turner, saying she needed someone who had "fought -- and won -- tough races in this state."

• Omari Sealey, the uncle of Jahi McMath, the 13-year-old California girl who was declared brain dead after suffering complications from sleep-apnea surgery, said his niece is doing well and is responding to voice commands and will receive an honorary diploma during her school's eighth-grade graduation.

• Amy Lee, whose sleep was interrupted by a cancer charity run outside her Seattle apartment, was charged with assault and reckless endangerment, accused of pelting runners from her fifth-floor window with trash, used cat litter and frozen chicken.

• Cody Hyman and Juliette Parker, a couple accused of collecting used ammunition from a military base in Washington state and melting it down to sell as scrap metal, were charged with possession of an explosive device, assault and reckless endangerment.

• Bobby Beck was being held on felony charges of impersonating a police officer, making a terroristic threat and carrying a pistol without a permit, accused of showing up at City Hall in Weaver, Ala., with a badge and a pistol and trying to arrest the mayor.

• Cameron Read, an Arizona man arrested after discharging a firearm, told authorities he was trying to shoot the moon.

A Section on 06/12/2014