<p>Mexico City: At least 21 people died in an auto accident on Wednesday on a highway connecting Mexico's Oaxaca and Puebla states, a top state official said.</p><p>In a post on social media, Puebla Interior Minister Samuel Aguilar said the accident involved three vehicles and that an unspecified number of other people were being treated for injuries. </p>
<p>Mexico City: At least 21 people died in an auto accident on Wednesday on a highway connecting Mexico's Oaxaca and Puebla states, a top state official said.</p><p>In a post on social media, Puebla Interior Minister Samuel Aguilar said the accident involved three vehicles and that an unspecified number of other people were being treated for injuries. </p>