LOS ANGELES (CBSLA.com) — The American Red Cross issued an apology Monday for a water safety poster that some suggested had a racist message.

The cartoon poster showed children playing in a swimming pool. Many of the white children’s activities were labeled as “cool,” while the children of color were mostly depicted acting in unsafe ways and were labeled “not cool.”

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Some social media users said it appeared the children of color were singled out for bad behavior, CBS News reported.

Not everyone on social media agreed that the posters were racist.

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But the Red Cross responded quickly to the backlash, saying they were developing new materials to replace the posters.

In a statement, the organization said: “We are working to reduce the drowning rate in 50 high-risk communities over a 5-year period by helping to teach at least 50,000 more children and adults to swim. With this campaign, we are focusing on areas with higher-than-average drowning rates and participants who otherwise wouldn’t have the opportunity to take swim lessons.

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“Once again, we apologize for any inadvertent misunderstanding with regard to the production of this poster, and believe we have taken every step to address the situation.”