By The Associated PressThe following recall has been announced: ____ STROLLERS DETAILS: Baby Jogger City Versa strollers manufactured by Baby Jogger LLC of Richmond, Va.; sold at buybuy Baby and other juvenile product stores nationwide and online at buybuybaby.com, albeebaby.com, diapers.com and other online retailers from July through October 2012. The strollers have charcoal-colored metal frames with black, silver, red or green fabric stroller seats and canopies. The date of manufacture is printed on the stroller's black plastic side hinge below "Baby Jogger" and "City Versa." ''City Versa" is also printed on the stroller's fabric in the child's leg area. The strollers were manufactured in China. WHY: The stroller frame can fail to lock in place and collapse while in use, posing a fall hazard to children in the stroller. INCIDENTS: Baby Jogger has received six reports of incidents with the stroller's frame failing to lock. No injuries reported. HOW MANY: About 8,400 in the United States and 2,200 in Canada. FOR MORE: Contact Baby Jogger at 877-506-2213 Monday through Friday from 8:30 a.m. to 5:30 p.m. EST, or visit the firm's website online at http://www.babyjogger.com/recall.aspx .