>> A vacation at a Mexican beach resort taking a dark turn. An Iowa family of four was found dead inside a condo in Akumal, Mexico, a small coastal resort about an hour south of Cancun. But local authorities and a family member said on Friday that there were no signs of violence or foul play.
>> They wanted to file a missing person's report since they were supposed to have gone to a basketball game in Indiana and never made it.>> After 41 year old, Kevin Sharp, his wife, Amy, and their two children did not return as planned from their week long vacation, family members in Creston, Iowa went to the police.
>> Autopsies are being conducted in Mexico. The results are pending.>> Mexican authorities are investigating what went wrong, with some speculating that there could have been a gas leak in the condo. Although Mexican tourism officials are portraying the Sharp family deaths as an isolated incident, the tragedy does raise concerns about the overall safety of tourists in Mexico, with an estimated 20 million Americans visiting Mexico last year.