WATCH: Missing Marine laid to rest nearly 50 years after plane shot down in Vietnam War

''

Now Playing: Mourners visit Manchester memorial Now Playing: ARCHIVAL VIDEO: Memorial Day 1986: Veterans and Non-Veterans Pay Tribute to Vietnam War Memorial Now Playing: President Trump returns from first foreign trip to new questions about Russia Now Playing: Karl: Sources close to president say it may be time for Kushner […]

WATCH: Hugs, tears and applause when proud British Muslim meets Manchester mayor

''

Now Playing: ‘Climate stress’ and the next global conflict Now Playing: Black bear attacks hunter in terrifying video Now Playing: Gunmen attack bus carrying Egyptian Christians Now Playing: Inspiring displays around Manchester after attack Now Playing: FBI examining Jared Kushner as part of Russia investigation Now Playing: Live from Taormina, […]

WATCH: Nationwide consumer warning for car renters

''

Now Playing: BBB issues nationwide warning about Payless Car Rental Now Playing: Navigate a Potentially Frustrating Rental Car Experience Now Playing: Hertz car rental faces lawsuit for allegedly deceitful ‘toll service’ fees Now Playing: Nationwide consumer warning for car renters Now Playing: Advertisers abandon Sean Hannity in wake of conspiracy […]

WATCH: Memorial at St. Ann’s Square honors victims of Manchester attack

''

Now Playing: Ariana Grande returns to US after deadly concert blast Now Playing: Desperate search for survivors after Manchester attack Now Playing: Manchester attacker identified as 22-year-old Salman Abedi: Police Now Playing: Memorial at St. Ann’s Square honors victims of Manchester attack Now Playing: Army battles ISIS-linked militants in besieged […]