Mourners lined the streets of New York City Wednesday as they paid tribute to retired NYPD Detective Luis Alvarez, who spent his last days fighting for others.
Alvarez, who spent months digging through rubble in the aftermath of 9/11, lost his battle with cancer on Saturday.
Jon Stewart, who was at Alvarez's side, added: "They did their job with courage, grace, tenacity, humility ... 18 years later, do yours."
Getty ImagesStewart attended the funeral at the Immaculate Conception Church in Astoria, Queens, Wednesday and offered a salute to his fallen friend.
Inside the church, Alvarez's sister and oldest son gave touching tributes.