Something I've never understood is why people feel there is some sort of obligation to speak to the press.
If the press want a comment, it's often much more straightforward to offer something than to put up with the repeated enquiries. The disaster plan for most companies I've encountered includes a pre-written statement that acknowledges that an incident has happened, indicates that the information to hand is of course limited and states that the company is doing whatever is required to help those affected.
If you really get fed up with enquiries, Airborne_Artist's approach above will probably do the trick, but don't talk, just offer a written statement.