Ariana Grande's mom shares heartwarming message on Twitter

Ariana Grande's mom has a few words of support for fans and victim's of last week's terror attack.

The explosion outside of the pop star's concert in Manchester, England, killed 22 people and injured more than 60.

Afterwards, Ariana tweeted out that she would return to Manchester to put on a benefit concert for those affected by the attack.

On Monday, her mother, Joan, also tweeted out a message of hope.

"This past week I have spent in reflective thought, prayer & deep sorrow," she tweeted.

"I stand with you all in the face of evil & we stand together to never let it rule our lives! Thank you to all those who helped in any way that night in Manchester. I continually thank those who are & were in service protecting our freedoms every day all over the world! #MemorialDay."

Shortly after the explosion, Joan helped usher fans to safety backstage, ABC News and TMZ reported.

On Saturday, Britain lowered the threat level in the country to from "critical" to "severe," which still means "an attack is highly likely - the country should remain vigilant," according to UK Prime Minister Theresa May.

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