A string of burglaries happened early Friday morning on a Walker Rd. shopping plaza in Dover. Three of the five businesses were broken into, according to police. Dover Police say they believe the break-ins happened sometime between 11:30 p.m. Thursday night and 5:43 a.m. Friday morning. The businesses broken into are Romano's Italian Pizzeria, Coin Laundry, and China King on in the Walker Road Shopping Center.