MISSION VIEJO (CBSLA.com) — A ruptured natural gas main Wednesday forced the closure of two streets in Mission Viejo, authorities said.

The break occurred around 1:40 p.m. at Los Alisos and Muirlands boulevards, according to Orange County Sheriff’s Lt. Jeff Hallock.

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Both streets were closed following the break, but nearby Los Alisos Intermediate School was unaffected, Hallock said.

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Orange County Fire Authority and Southern California Gas Company crews were also on hand, according to officials.

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No other details were available.