article_snippet: Houthis are battle-hardened guerrilla fighters and could cross into Saudi Arabia.
article_snippet: Houthis've already threatened suicide bomb attacks inside Saudi Arabia.
article_snippet: Saudi leaders have said that if troops do go in, troops won't leave until troops have degraded the Houthis' ability to fight.
article_snippet: the Houthis' are apt guerrillas.
article_snippet: The Shiite Houthis are allied with Iran, a majority Shiite nation.
article_snippet: The Shiite Houthis claimed The Shiite Houthis shot down a Sudanese jet and captured a Sudanese jet on Saturday.
article_snippet: The Shiite Houthis distributed photos of a pilot and wreckage to back up the claim.
article_snippet: The Shiite Houthis moved into Sanaa in September, sparking battles that killed hundreds of people.
article_snippet: In January, The Shiite Houthis surrounded the presidential palace.