article_snippet.sent: Activity in parts of Reynosa, a city across the Rio Grande .
article_snippet.sent: from McAllen, Texas, ground to a halt on Friday afternoon after .
article_snippet.sent: A Reynosa police spokesman said two bystanders were . apparently killed, but this was not confirmed.
article_snippet.sent: Scroll down for video .
article_snippet.sent: in Reynosa, a city of more than 600,000 people in the . northeastern state of Tamaulipas.