diff --git a/train.py b/train.py
index b20b7dbb2..510377e11 100644
--- a/train.py
+++ b/train.py
@@ -352,6 +352,8 @@ def train(hyp,  # path/to/hyp.yaml or hyp dictionary
                 pbar.set_description(('%10s' * 2 + '%10.4g' * 5) % (
                     f'{epoch}/{epochs - 1}', mem, *mloss, targets.shape[0], imgs.shape[-1]))
                 callbacks.run('on_train_batch_end', ni, model, imgs, targets, paths, plots, opt.sync_bn)
+                if callbacks.stop_training:
+                    return
             # end batch ------------------------------------------------------------------------------------------------
 
         # Scheduler
diff --git a/utils/callbacks.py b/utils/callbacks.py
index 13d82ebc2..c51c268f2 100644
--- a/utils/callbacks.py
+++ b/utils/callbacks.py
@@ -35,6 +35,7 @@ class Callbacks:
             'on_params_update': [],
             'teardown': [],
         }
+        self.stop_training = False  # set True to interrupt training
 
     def register_action(self, hook, name='', callback=None):
         """