Authorities investigated reports of two migrants’ landings within hours in Broward County.One group allegedly landed Saturday morning in Hollywood and another on Friday night in Fort Lauderdale.U.S. Border Patrol responded after a boat allegedly landed along the beach at about 7 a.m., Saturday, near Coolidge Street. There was an abandoned boat on the beach.According to the Fort Lauderdale Police Department, police officers investigated a report that a group landed at about 8:30 p.m., near Southeast 21 Street. But the report was unfounded.Assignment Desk Editors Joyce Grace Ortega and Wilson Louis contributed to this report.