Boston Police report arresting a pair of South Shore residents Wednesday night on charges one was providing oral sex for a fee to the other.

Police say officers patrolling Dorchester Avenue spotted a woman they knew to engage in prostitution talking to a man behind the wheel of a limo. When she got in the vehicle around 9:45 p.m. and they drove down Dewar Street, officers followed and "discretely" snuck up on the vehicle, where they allegedly observed the two engaged in sexual activity.

More details from Boston Police (second item).