( CNN) An early-morning police busines in the outskirts of Paris transformed murderous as gunfire and detonations rang out in the area of Saint-Denis.

Five French men were lightly wounded and a police dog was killed in the attack, according to officials.

As beings are still coming to grips with the deaths among 129 beings in the multiple terrorist attacks that hit Paris last week, mourners have also paid tribute to the police dog’s assistance on social media.

Diesel, a 7-year-old Belgian Malinois, died during the attack, French police tweeted.

The hashtag # JeSuisChien was trending on Twitter following the attack, in honor of the French police dog.

The Belgian Malinois is one of the reproductions most commonly used as police hounds, according to the National Police Dog Foundation.