"We have not seen something like this in New York City for almost a century," says local official before the massive arrival of immigrants

New York Mayor's Commissioner for Immigration Affairs Manuel Castro refers to the arrival of thousands of asylum seekers as something they haven't seen in the city "for almost a century."

Most of them are Venezuelan immigrants.

Several New Yorkers have expressed frustration with the city's response, charging that it is hurting the school system.

Others strive to help address the crisis.

He knows all the details in the following report from Miguel Márquez.