Mariah Carey says she is canceling a concert in Brussels over security concerns in the wake of Tuesday's terrorist attacks.

A website selling tickets to Carey's European tour stated the Sunday show in Brussels has been canceled. A message posted to fans on Carey's Twitter account stated that the show was being canceled over security concerns.

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The message said that Carey had been advised to cancel the show to protect the safety of her crew and fans.

No promise of a rescheduled show was included, but the tweets said Carey hoped to see her fans in Belgium soon.

Carey is scheduled to perform Saturday night in Luxembourg.