The Senate failed to advance legislation to fund the Department of Homeland Security on Friday, marking another unsuccessful attempt to end the partial government shutdown that has now lasted 35 days.

The vote represents the latest setback in ongoing efforts to resolve the funding impasse that has affected multiple government agencies and hundreds of thousands of federal workers since late December.

The Department of Homeland Security has been among the agencies operating with limited funding during the shutdown, which began over disputes regarding border security funding and other budget priorities.

Federal employees affected by the shutdown have missed multiple paychecks, while various government services have been reduced or suspended. The 35-day duration makes this one of the longest government shutdowns in recent history.

Congressional leaders and the White House have yet to reach agreement on the key issues that led to the funding lapse, leaving the timeline for resolution uncertain.