All Colorado locations of Del Taco, a popular fast food restaurant that serves Mexican food, were abruptly closed Thursday, except for one. The company said in an emailed statement to USA TODAY on Friday that Del Taco franchise locations in Denver and Colorado Springs "are temporarily closed.

Del Taco abruptly closed all but one of its Colorado restaurants on Thursday with no explanation, according to signs posted on doors and a statement from the company.

American fast food restaurant chain Del Taco has abruptly closed almost all of its restaurants in the US state of Colorado without revealing details of its decision. The closures, undertaken by franchisee Newport Ventures,

Del Taco abruptly closed 18 of its 19 restaurants in Colorado on Thursday. Signs on the door thanked customers for their patronage.

The franchisee of the Mexican fast-food chain’s 18 locations in Denver and Colorado Springs closed locations following a bankruptcy and a

Del Taco patrons were met with a surprise late this week when they pulled up to locations throughout Colorado and were met with locked doors and signs saying the restaurants were closed.

Joining the ranks of other long-standing chains such as itself, Del Taco has abruptly closed nearly all of its Colorado-based restaurants. A spokesperson with the chain noted that 18 out of the 19 locations are only “temporarily closed” and are expected to reopen “as soon as possible.”

The Grand Junction location will remain open because it’s operated by a different franchise. But the other 18 Del Tacos in the state closed abruptly Thursday. The chain hasn’t commented on what prompted the closure.

For all the debate over the restaurant relief bill (up for discussion at the Colorado Legislature on March 3), the hottest topic on the Denver dining scene this week was the abrupt closing of all but one of the nineteen Del Taco locations in the state.