Reports of domestic violence increased in March in many cities around the country as the coronavirus pandemic spread, according to law enforcement officials — raising concerns about families’ safety as they isolate at home.

Of the 22 law enforcement agencies across the United States that responded to NBC News’ request for data on domestic violence calls, 18 departments said they had seen a rise in March. Houston police received about 300 more domestic violence calls in March than they did in February, a roughly 20 percent increase. Charlotte-Mecklenburg, North Carolina, police fielded 517 additional calls about domestic violence in March compared to the same month last year, an 18 percent jump, while Phoenix police received nearly 200 more calls, an increase of nearly 6 percent.

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