“Our thoughts are with Andre’s relatives who would like to offer their support during this difficult time,” the fire department said in a statement.
The Lower Saxony Youth Fire Brigade also paid tribute to the nine-year-old boy.
“We offer our condolences to his family, friends and everyone close to him,” the agency said in a statement.
“We stand by their side during this difficult time and offer our deepest condolences,” he added.
More than 200 people were injured in Friday’s attack, leaving some in critical condition.
Additionally, the identities of the four murdered women have not yet been confirmed.
