I canceled my appointment because of urgent business. ✬

Urgent business prevented him from coming. ✬

Please hurry, it's urgent. ✬

I have an urgent matter to attend to. ✬

The question before us is an urgent one. ✬

If there's anything urgent, you can get in touch with me. ✬

I have urgent business with you. ✬

The manager called an urgent staff meeting. ✬

Tom received an urgent message to call his wife. ✬

It was urgent. ✬