At least eight people have been killed in a fire bomb attack on a bar in the Mexican tourist town of Cancun. <br /><br />Local reports said the attack was carried out by a drug cartel which was trying to extort protection money from the bar owner. <br /><br />It has heightened fears that drug-related violence is spreading to tourist towns. <br /><br />Al Jazeera's Franc Contreras reports from Cancun.
