Monsoon & public safety: A woman was sexually assaulted in a Tucson-area home invasion near West Vegas Drive, triggering a manhunt; investigators say there’s nothing linking it to the still-unsolved Nancy Guthrie kidnapping case. Colorado River crunch: Lake Powell and Lake Mead hit historic lows, threatening water and power for tens of millions and raising pressure for new sharing rules next week. Water planning in Phoenix Valley: The Arizona Water Banking Authority says it will use stored Colorado River water to make cities whole during cutbacks under a one-year policy. Politics—House race: Indian-American Amish Shah won Arizona’s 1st District Democratic primary, setting up a fall matchup against Trump-endorsed former NFL kicker Jay Feely. Statewide GOP nominations: Arizona Republicans finalized nominees for attorney general, secretary of state, schools chief, treasurer and Corporation Commission after the primary. Sports—Cardinals: Tight end Travis Vokolek medically retired at 28 after a severe neck injury; Isaiah Adams also faces Canada weapons charges. Weather: Monsoon storms are expanding with blowing dust and flash-flood risk around Phoenix, Tucson, Flagstaff and Prescott.