What's Happening?! (6/21)

Mark and Laila searches the web for the top trending stories of the day. Here is "What's Happening?!" for Tuesday June 21st:

• Company that owns missing submersible is being sued by Winter Park couple
• Paris explosion: More than 20 injured after blast
• I-95 will open this weekend in Philadelphia
• Florida county under quarantine after giant African land snail spotted