A few stray metallic balloons caught on utility equipment caused a power outage in Westminster, affecting over 4,600 Southern California Edison customers, including several businesses, on Wednesday, June 4, authorities said.

Power was expected to be fully restored early Thursday morning, officials said.

SCE spokesperson David Eisenhauer said the outage was reported at 3:38 p.m. and affected approximately 4,631 customers within a mile of the Westminster Boulevard and Goldenwest Street area. By 7 p.m., at least 700 customers remained without power, which was expected to be restored by 3 a.m. on Thursday, June 5.