
More than half a million immigration advocates marched though downtown Los Angeles in one of the largest demonstrations for any cause in recent US history.
The number of protestors demanding that federal lawmakers abandon attempts to make illegal immigration a felony and to build more walls along the border surprised police, who estimated the crowd size using aerial photographs and other techniques, police Cmdr Louis Gray Jr said.
In Denver, more than 50,000 people protested downtown on Saturday, according to police who had expected only a few thousand. Phoenix was similarly surprised on Friday when an estimated 20,000 people gathered for one of the biggest demonstrations in city history, and more than 10,000 marched in Milwaukee on Thursday.
Protesters said lawmakers were unfairly targeting immigrants who provide a major labour pool for America8217;s economy.