This often happens in solicitors' firms, especially in the City - you need to show that you can be flexible and adaptable and that you don't panic.

Describe some of the things you may have to do in such circumstances. These might include:

Delegation of less pressing work to others in your office

Negotiation of the new deadline, just in case there is any leeway

Taking additional work home with you

Seeking help from others on the case that has been brought forward.

An assessment of what can reasonably be done in the time available.