JUNEAU — An Anchorage civil rights law firm has filed a class-action lawsuit against the state Department of Health over delays in processing applications for a program that provides assistance for thousands of vulnerable Alaskans.

The state’s adult public assistance program pays an average of $308.20 per month, and is often supplemented by federal assistance programs, according to the Department of Health. During the past fiscal year, an average of 15,385 Alaskans received the monthly aid, alongside a separate transition program.

In Wrangell, the program paid out benefits to an average 57 ind...