North Richland Hills PD has a perimeter set up in the area of Holiday Lane and Mid Cities Blvd. searching for a subject on foot. Aggravated assault suspect. Ground units are reporting the subject jumped a fence near Connie Ln. and Holiday Ln. and ran east towards Sable Ln. There are multiple police officers in the area looking for him. Updates when we have them. If you live in this immediate area, stay inside and call 9-1-1 if you see or hear anything suspicious.