In parts of California, seniors are the fastest growing part of the homeless population. Plus: A new American Lung Association report finds San Diego is the sixth smoggiest city in the country and the number of unhealthy ozone days is going up; an apartment complex in City Heights last week told residents their rent will increase 75% to $1,875, forcing residents to look for another place to live; a spoiler-free review of "Avengers: Endgame" and more San Diego news.