Saudi Arabia calls an attempted Mecca attack a ‘red line’ as Iran-backed Houthis deny they did it

CAIRO (AP) — Saudi Arabia accused Yemen’s Iran-backed Houthi rebels overnight of trying to attack Islam’s holiest city, prompting condemnation from countries in the region but no sign of military support. The kingdom, a key U.S. ally, declared Mecca a “red line” as it slid deeper into the new fro…