WARNING: VIDEO CONTAINS GRAPHIC CONTENT<br/> <br />Mexican paramedics rush a man to hospital in Monterrey.<br/> <br />He was injured after an unknown attacker lobbed a grenade into a strip club on Friday, killing at least two people.<br/> <br />Inside, a victim lays on the floor near the bar.<br/> <br />Police arrived on the scene after emergency services and secured the entrance.<br/> <br />Monterrey was once a peaceful oasis for the middle class.<br/> <br />Now authorities say it is in a downward spiral of lawlessness and drugs, a trend President Felipe Calderon has been unable to stop since taking office five years ago.<br/> <br />Jessica Gray, Reuters
