A Walmart corporate employee is calling for workers to go on strike Tuesday to urge the company to stop selling guns after two shootings took place at its stores within a week.

On Monday, Thomas Marshall — an e-commerce specialist based in San Bruno, Calif. — sent a mass email to the thousands of people on the superstore company’s e-commerce team, Business Insider reports.

"In light of recent events, and in response to corporate's inaction, we are organizing a 'sick out' general strike to protest Walmart's profit from the sale of guns," Marshall wrote in the letter, according to Business Insider. "Tomorrow, Tuesday 8/6/2019, do not show up to work."

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While Walmart "has always placed its associates and customers first,” it is a top seller of firearms in the US, and "as associates, we have the power, ability, and opportunity to change this company for the better," Marshall wrote.

Marshall told Business Insider on Monday that he had received “considerable support” for the strike but did not specify how many people were participating.

Walmart said in an email statement that there were better ways for associates to offer suggestions.

"There are many more constructive avenues for associates to offer feedback, such as email or leader conversations, and the vast majority of associates who want to share their views are taking advantage of those options," Walmart spokesman Randy Hargrove wrote in a statement to The Hill.

The news comes after two shootings occurred at Walmart stores within a week.

A shooting at a Mississippi Walmart on July 30 left at least two people dead and a police officer wounded.

Days later, at least 20 people were killed and 26 others were injured on Saturday in a shooting at a Walmart in El Paso, Texas.

Walmart, the largest firearm retailer in the country, stopped selling assault-style rifles in 2015. In 2018 the company raised the age to purchase guns from 18 to 21, according to Business Insider.

The company said after the El Paso shootings that it would not change its gun sale policy.

--Updated at 11:32 a.m.