Firefighters and police today responded to an explosion at the North Baltimore property owned by developer Scott Plank that resulted in a pool technician being taken to the hospital.

Just after 11:20 a.m., dispatchers received a report of “what appeared to be a propane tank that exploded . . . near the swimming pool pump house” at a house on Blythewood Road, said Blair Adams, a spokesperson for the Baltimore City Fire Department.

Adams said the technician received facial burns and that the person “was alert and able to speak,” but she had no further information on the technician’s condition.

Asked if the owners had been home at the time of the incident, Adams said, “a property manager was there.”

Neighbors and workers in the area said they heard the explosion several houses away.

Overhead footage captured by WJZ 13 showed debris that appeared to have blown out of the side of a building and onto a tennis court.

Blythewood, a residential street with large homes and sweeping lawns which stretches between Wyndhurst Avenue and Charles Street, was blocked off by police cars for hours while crews were responding to the call.

Asked to describe the scope of the city response, Adams said “there are more than 50 personnel and 12 apparatus at the scene.”

Scott Plank, the brother of UnderArmour CEO Kevin Plank, has not responded to a request for comment.

The person who answered the phone at his downtown Baltimore development company, War Horse LLC, said she would leave a message, but warned, “They’re probably not going to get back to you about it.”

“He’s not even in Baltimore right now,” she added.