Students in the upper grades at the Joseph Lee K-8 School in Dorchester held a two-hour Black Lives Matter protest this morning.

Kids who'd brought in permission slips walked from the school to the intersection of Blue Hill and Talbot avenues, where they chanted slogans such as "Hands up! Don't Shoot!" and "What do we want? Justice! When do we want it? Now!"

Several teachers stood with them; three BPD cruisers and officers were parked on Blue Hill Avenue. Many passing motorists honked in support.

Here's a memo that was sent to students: