(WXYZ) — The shutdown at the Ambassador Bridge is now causing problems at several auto plants.
According to GM, the Lansing Delta Township plant had its second shift on Wednesday and the first shift on Thursday were canceled due to a parts shortage. The plant produces the Buick Enclave and Chevrolet Traverse.
Related: White House closely monitoring Ambassador Bridge blockade
Stellantis also said that a number of U.S. and Canadian plants cut short second shifts on Wednesday due to parts shortages from the bridge disruption.
"The situation at the Ambassador Bridge, combined with an already fragile supply chain, will bring further hardship to people and industries still struggling to recover from the COVID-19 pandemic," the company said in a statement.
The bridge has been shut down for several days by protestors on the Canadian side, protesting against COVID-19 vaccine mandates and restrictions in Canada.
On Wednesday, The White House said it is closely monitoring the shutdown and is worried because of the potential for problems within the auto industry as the Ambassador Bridge is the busiest point of entry between the U.S. and Canada.
Related: Day Four: Ambassador Bridge remains closed on Canadian side, Windsor Mayor looking for solution
"The blockade poses a risk to supply chains for the auto industry because the bridge is a key conduit for motor vehicles components and parts," White House Press Secretary Jen Psaki said.
She added that federal officials are working with state officials, officials in the auto industry and the Department of Homeland Security on the blockade.
"The president is focused on this and we are working very closely with the team at DHS," Psaki said.