UPDATE: An all-clear has reportedly been given at the scene, per 1010 WINS Radio. The item in question was reportedly a suspicious box, but no further details were provided.
A large police presence has been reported in part of downtown Brooklyn, as crews investigate a suspicious item.
Emergency crews have closed several roads around Flatbush Avenue from Myrtle Avenue to Tillary Street and the surrounding area. The exact nature of the item in question is not known at this time. Significant traffic delays are expected.
We will provide more information as it becomes available.