(CNN) Rapper Kanye West donated $150,000 to a memorial fundraising site for a security guard shot by an officer near his hometown Chicago.

West gave through the GoFundMe page made to raise money for the funeral of Jemel Roberson, 26, far exceeding the goal. Bart Jackson, a representative for GoFundMe, confirmed the contribution.

"Sadly, Jemel's life was tragically and unexpectedly cut short this morning as he tried to save others from senseless violence," the page creator wrote on behalf of Roberson's mother.

How he was killed

Roberson was shot by an officer from Midlothian, Illinois while detaining a gunman outside of Manny's Blue Room Lounge in Robbins, where he worked, according to a federal lawsuit. Witnesses said the alleged gunman returned to the bar after security asked him and several drunken men to leave, CNN affiliate WGN reported.

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