DHNet reports (translation):
Last weekend, the city of Seraing reported that its services were temporarily inaccessible to the public and for a reason beyond its control. Indeed, since the computer network of the city of Seraing was the victim of a malicious attack! A complaint has been filed.
As specified to the city of Seraing, this attack caused a relatively serious failure since it impacted all services! Since last Thursday, the City’s IT specialists have been hard at work restoring the network and thus allowing services to function normally again.
Read more on DHNet. The entire network is not yet full restored, it seems.
h/t, @Chum1ng0