Just found this on the mtgox press

When will you be adding Litecoin (LTC) to Mt. Gox?
Soon. We were planning on doing so two weeks ago, but events derailed that plan. Right
now we are focused on overall stability of the exchange, and will launch LTC when we are
ready. Otherwise we could be further complicating things

It is on page 2 of title Statement Regarding Recent DDoS Attacks and Mitigation