NEWSSuspicious packages addressed to Joe Biden in DelawareDelaware News JournalPolice tape wrapped around the front of the U.S. Post Office on Lancaster Ave. where law enforcement investigating a suspicious package sent to former Vice President Joe Biden on Thursday morning.Jennifer Corbett, The News JournalA City of Wilmington police officer stands outside the closed U.S. Post Office on Lancaster Avenue Thursday while law enforcement investigates a suspicious package sent to former Vice President Joe Biden.Jennifer Corbett, The News JournalA City of Wilmington police K-9 patrol vehicle outside the closed U.S. Post Office on Lancaster Avenue Thursday while law enforcement investigates a suspicious package sent to former Vice President Joe Biden.Jennifer Corbett, The News JournalLaw enforcement at the closed U.S. Post Office on Lancaster Avenue Thursday while law enforcement investigates a suspicious package sent to former Vice President Joe Biden.Jennifer Corbett, The News JournalThe post office on Lancaster Ave. was closed for investigation for a suspicious package sent to former Vice President Joe Biden on Thursday morning.Jennifer Corbett, The News JournalA police officer investigating a suspicious package at the Lancaster Avenue post office on Thursday morning walks back into an emergency vehicle.Jennifer Corbett, The News JournalThe post office on Lancaster Ave. was closed for investigation for a suspicious package sent to former Vice President Joe Biden on Thursday morning.Jennifer Corbett, The News JournalPedestrians walk past a closed U.S. Post Office on Lancaster Ave. Thursday while law enforcement investigates a suspicious package sent to former Vice President Joe Biden.Jennifer Corbett, The News JournalA bomb disposal unit leaves the Quigley Boulevard post office in New Castle.Jessica Bies/The News JournalThe police bomb disposal unit is set up near the back of the post office on Lancaster Avenue in Wilmington.Jeanne Kuang/The News JournalThe Quigley Boulevard post office in New Castle had a police presence at 9 a.m. Thursday.Jessica Bies/The News JournalMail trucks were going in and out of the post office at Quigley Boulevard as of 9 a.m. Thursday.Jessica Bies/The News JournalThere was still a police presence but mail trucks were going in and out of the mail facility on Quigley Boulevard in New Castle as of 9 a.m. Thursday.Jessica Bies/The News JournalThere was still a police presence but mail trucks were going in and out of the mail facility on Quigley Boulevard in New Castle as of 9 a.m. Thursday.Jessica Bies/The News JournalCustomers resume business after law enforcement closed the post office in New Castle off Quigley Boulevard on Thursday morning to investigate another suspicious package addressed to former Vice President Joe Biden.Jennifer Corbett, The News JournalPostal Police remained outside of the U.S. Postal Service Delaware Processing and Distribution Center in New Castle off Quigley Boulevard on Thursday morning after law enforcement investigated another suspicious package addressed to former Vice President Joe Biden.Jennifer Corbett, The News JournalA customer enters the U.S. Post Service Delaware Processing and Distribution Center in New Castle off Quigley Blvd. on Thursday after it was reopened.Jennifer Corbett, The News JournalA single police vehicle sits outside the gates to former Vice President Joe Biden's Greenville home on Thursday morning after another suspicious package was being investigated at the post office in New Castle.Jennifer Corbett, The News JournalA law enforcement vehicle sits outside the Lancaster Avenue post office in Wilmington, where police were investigating a suspicious package on Thursday morning.Damian Giletto/The News JournalA law enforcement vehicle sits outside the Lancaster Avenue post office in Wilmington, where police were investigating a suspicious package on Thursday morning.Damian Giletto/The News JournalCustomers resume business at the U.S. Post Service Delaware Processing and Distribution Center in New Castle off Quigley Boulevard on Thursday morning.Jennifer Corbett, The News JournalPolice are investigating a suspicious package at the post office on Lancaster Avenue in Wilmington.Jeanne Kuang/The News JournalPolice are investigating a suspicious package at the post office on Lancaster Avenue in Wilmington.Jeanne Kuang/The News Journal