The Justice Department is investigating whether airlines are colluding in order to keep prices high. The investigation comes less than a month after an airline industry meeting in Miami where the heads of several large carriers discusses “discipline” throughout the industry and praised efforts at keeping flight and seat numbers level – i.e. not expanding to meet demand, in turn keeping a ticket price high.

In preparation for Fourth of July weekend, federal and local authorities are tightening security measures against potential attacks by ISIS and other terror groups. While there is no credible or specific threat, FBI and the Department of Homeland Security have urged local police to remain vigilant in the wake of the attacks in Tunisia, Kuwait, and France.

Fourth of July weekend is coming up - and travel is expected to reach an all-time high. AAA is estimating that a record 2.1 million New Englanders will travel long distance over the holiday - a 1.1 percent increase over last year. Meanwhile, record breaking temperatures are causing problems with airline travel - grounding planes and leaving passengers uncomfortable. Alex has all the details on what to expect over the holiday weekend.

A 60-year-old man was bitten multiple times by a shark off the Coast of Ocracoke Island - making it the seventh shark attack in North Carolina in just one month. We've also learned a  teen was also bitten in South Carolina Tuesday afternoon. Heading into the biggest beach weekend of the year, families are growing concerned about the cluster. What is causing the string of attacks?

Senior law enforcement officials tell ABC News that there is no evidence to suggest that any of the seven recent church fires are racially motivated.  Although the investigation into Tuesday night’s fire at the Mt. Zion AME church in Greeleyville, SC is still ongoing and nothing has been ruled out, initial indications are that the fire was not deliberately set and sources say investigators are looking at the possibility that the fire was caused by lightning.   

-President Obama phoned the Italian Prime Minister to discuss the situation Greece. President Obama discussed PM Matteo Rienzi the importance of working together toward put Greece on a path of growth in the Eurozone.
--Negotiations continue between Greece and its creditors on a deal to help figure out Greece’s debt and head off a referendum Sunday that might wind up with Greece leaving the Euro. On Wednesday’s Greece’s prime minister signaled he’d be willing accept most of the conditions Greece’s creditors were pressing, but was still looking for changes that would spike the deal.

The Labor Department releases the monthly jobs numbers for June Thursday morning - a day early due to Friday’s holiday. Expectations are in the 240-260K range. One group having a hard time finding work—teens. According to one look from Pew Research - far fewer teens are working now than were working ten years ago. Competition with older workers during the recession is still being felt. 

President Obama will head to Wisconsin Thursday, where he’ll lay out a proposed revision to a Department of Labor rule that will extend overtime pay to some 5 million Americans in a speech at the University of Wisconsin – La Crosse.

VOTE 2016
- Democratic presidential candidate Bernie Sanders, who's gaining ground in the polls behind Hillary Clinton, addressed a sold-out crowd at an arena Wednesday in Madison, Wisconsin.
- One thing Republican candidate Jeb Bush and President Obama agree on: guacamole.  They both disagree with a New York Times article about adding peas to the avacado inspired dip.

Fifteen million Americans from Kansas to Georgia are at risk of severe weather - facing threats of large hail, damaging winds, and isolated tornadoes. Meanwhile, the record breaking heat wave out west will continue over the holiday weekend..

The National Highway Traffic Safety Administration (NHTSA) will hold a public hearing to determine whether automaker Fiat Chrysler has failed to remedy safety defects and issue required notices in 20 recalls.

Reported missing on Monday, a rescue team saved 40-year-old Jenifer Deron from her car after it had careened 50 feet off a cliff two days earlier. The Simi Valley woman was discovered when a woman jogging along the road heard her screaming for help, immediately alerting authorities

In the 21st century there's an entirely new dimension to the battle of man against machine.  At a Volkswagon plant in Germany a contractor was killed by a robot. The 22 year old man was part of a team that was setting up the stationary robot when it grabbed him and crushed him against a metal plate.   The robot can be programmed to perform various tasks in the assembly process, and a Volkswagon spokesman says it appears human error was to blame.   The robot usually operates in a confined area, grabbing auto parts and manipulating them.  Prosecutors are considering whether to bring charges and if so against whom. 

Speaking out for the first time in a morning exclusive, 30-year-old Bree Newson opens up about climbing the South Carolina flag pole and defiantly taking down the controversial symbol. Ignoring the protests of officers, she and an accomplice were arrested immediately after and the flag was raised back up in less than an hour. Still, Bree has since been praised a hero.
The trial of Aurora, Colorado movie theater shooting suspect James Holmes continues. 

The World Cup excitement continues, with Japan going head-to-head with England on Wednesday night for the semifinal match. Will the U.S team be able to get their rematch against Japan after the 2011 loss? Or will they be taking on England this Sunday?

Day four of tennis at Wimbledon.