Story highlights Some Xbox users finally able to log on to network

Incident and a hack of Sony Pictures don't appear to be related

Lizard Squad hacker group has claimed responsibility for prior attacks

One Twitter user bemoans issue, stuck with cranky teenager

(CNN) Sony's PlayStation and Microsoft's Xbox Live gaming networks experienced widespread problems on Christmas Day as a hacker group claimed responsibility for what it said was an attack.

Hundreds of users took to Twitter to report problems with the systems, which lasted much of the day.

"With the #Xbox hacking shutdown going on I'm watching my 15 year old nephew meltdown: 'I've got nothing else to do!!!!'" Jim Crilley Jr. wrote on the social messaging site.

The problem persisted for hours, but Thursday night Xbox Live briefly posted a message on its support website saying: "Were you having a hard time signing in to Xbox Live? If so, we're glad to say we've reached a solution! You can once again sign in without any issues. Thanks for hanging in there while we worked. We appreciate it!"

But many PlayStation users were still having difficulty logging on to their network.

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