I don't believe it's just "an issue" anymore. Not to spread FUD, as my coins are also stuck there, but MtGox is likely to go down now.
[0] - http://www.dailymail.co.uk/money/saving/article-2168701/RBS-...
[1] - http://www.dailymail.co.uk/news/article-2517106/NatWest-RBS-...