5 Things to Know This Morning

April 21, 2014— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. Teen 'Lucky' to be Alive After Stowing Away on Calif.-Hawaii Flight
A 16-year-old boy from California hopped a fence at the San Jose Airport and snuck into the wheel well of a Hawaiian Airlines flight, stowing away for a five-hour flight, FBI spokesman Tom Simon told ABC News.

2. Healing Heartbreak Hill
Bob Spiner, Jr. has breezed through several 20-mile runs in the past few weeks. The 50-year-old lawyer from Lynbrook, N.Y., has trained a steady 40 to 50 miles a week for the past year and said he is in top physical condition to run this year's Boston Marathon. He's just not sure he's mentally ready.

3. Lindsay Lohan's Bombshell: I Suffered a Miscarriage
Lindsay Lohan made a bombshell announcement on Sunday's episode of her reality TV show, revealing that she suffered a miscarriage during filming.

4. Car Bursts Into Flames, Nearly Feeding Family to Lions
A mother her young children faced an agonizing choice on a recent visit to a safari park in England, when their car burst into flames in the middle of a lion habitat.

5. NBA Coach Sends Rival a Heartfelt Message: 'I promise I’ll be nice'
Gregg Popovich is finally opening up for Craig Sager. Popovich, head coach of the NBA’s San Antonio Spurs, is well-known for his terse answers to in-game questions from Sager and other sideline reporters, often poking fun at Sager’s colorful, clashing outfits. He’s even used Sager’s pocket square to wipe his nose. Sager, who works for TNT, is missing this year’s NBA playoffs to undergo treatment for leukemia. So Popovich sent his nemesis a message.