Today in L.A. News: a gas leak on campus, taxes are due tomorrow, a parent's perspective from North Park Elementary, the site of last week's school shooting, how the school is implementing new security measures, updates on pop icon Prince's death, today's weather, a popular trail to the Hollywood Hike will be shut down Tuesday, Oroville Dam Spillway has been reopened, the California Secretary of State's office is trying to encourage high school students to vote, CalExit has CalEnded, and you can name April the giraffe's new calf.