This is the cutscene in Resident Evil: Operation Raccoon City of the Echo Six campaign. G-Birkin finds the Spec Ops squad and little Sherry Birkin in the sewers. She recognizes her father in the creature. Suddenly, Claire Redfield appears, who founds the spare exit. Echo Six must cover their escape and stop G-Birkin. The cutscene plays in the middle of the mission 4 "Nothing is as it Seems".
This cutscene has some versions with different playable characters.