LOS ANGELES (CBSLA.com) — Water main breaks hit two neighborhoods just a few hours and within three miles from each other early Thursday morning.

The 6-inch pipe, which officials say was installed in 1912, burst about 1 a.m. Thursday along north Robinson in the Westlake District, sending water flowing into the neighborhood and under the asphalt. A large sinkhole developed in the middle of the street as a result of the water main break.

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Water was shut off to 42 homes in the area and crews are on the scene working on repairing the pipe. Service restored to the area at about 7:40 a.m.

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About an hour later and three miles away, another water main burst in Hancock Park, not far from a break that happened about week before.

A third water main break was reported near LAX at about 8:40 a.m., prompting the closure of 96th Street between Vicksburg and Jenny.

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The city of Los Angeles has about 6,000 miles of pipes, and LADWP says they have a plan to replace 215,000 feet of old pipe by 2025.