Los Angeles city and county lawmakers are calling for reviews of 911 dispatching procedures following a Times investigation that found significant delays in how long it takes rescuers to respond to emergencies near city borders.

On Tuesday, the Los Angeles County Board of Supervisors ordered county fire officials to report back on how their agency works with other departments in the region to dispatch rescuers to emergencies.

At the same time, City Councilman Mitchell Englander said he plans to introduce a similar motion at City Hall that calls for examining ways to improve cooperation between the two fire departments. Englander, who chairs the council's Public Safety Committee, said technological upgrades and clearer agreements may be needed to ensure that when someone dials 911, the closest rescue unit is sent.

"In this modern day of technology and being able to graphically map out not just where the city resources are but where the county resources are, it's shocking that those systems are not in place," Englander said. "We border a lot of cities. We've got to work seamlessly together."

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