BART recovering from major delays in the East Bay

BART reported delays on the Pittsburg/Bay Point line on May 22, 2015, because of an obstruction on the tracks in the Berkeley hills tunnel. BART reported delays on the Pittsburg/Bay Point line on May 22, 2015, because of an obstruction on the tracks in the Berkeley hills tunnel. Photo: Brant Ward / Brant Ward / The Chronicle Buy photo Photo: Brant Ward / Brant Ward / The Chronicle Image 1 of / 3 Caption Close BART recovering from major delays in the East Bay 1 / 3 Back to Gallery

The BART system is recovering from major delays caused by an obstruction in the Berkeley hills tunnel, officials said.

The delay was reported around 7:30 a.m., affecting trains on the line running between Pittsburg/Bay Point and San Francisco. It was not immediately known what the obstruction was.

Around 8 a.m., BART officials said the system was recovering but that there were delays of 10 to 30 minutes for all trains on the line.