UPDATE 1 — Saudi — led coalition to warn civilians to evacuate site in Yemen's Sanaa ahead of operation

(Adds Houthi military spokesperson response in paragraph 2) Oct 13 (Reuters) — A Saudi-led coalition spokesperson said on Tuesday a warning will be issued shortly for civilians to evacuate a site in Yemen's Sanaa ahead of a special operation. Houthi military spokesperson Yahya Saree warned that any strikes on Sanaa would be met with a "harsh and painful" response in the Saudi capital Riyadh. (Reporting by Tala Ramadan and Yomna Ehab; Editing by Andrew Heavens) ((mailto:tala.ramadan@thomsonreuters.com;)