The start of a massive three-day strike led by the lowest paid public school workers and supported by teachers shut down Los Angeles campuses Tuesday amid a fierce morning storm, sent parents scrambling for child care and meals and brought thousands of picketers to campuses and a boisterous afternoon rally downtown.

The strike culminated a months-long build-up of labor tensions in the nation’s second largest school district. Bus drivers, custodians, special education assistants, cafeteria workers — all members of Local 99 of the Service Employees International Union — have been negotiating with the district, demanding a 30% salary increase, plus $2 more per hour for the lowest paid employees. Click here to read more: