"The Real Housewives of Orange County" star Alexis Bellino nearly lost two children on July 4th when she left her stroller unattended ... and it rolled into a pool -- this according to security at The Balboa Bay Club in Newport Beach, CA.
Sources at the pool tell TMZ that sometime during the holiday celebration, Alexis and her husband Jim were off "doing something" ... and the stroller -- carrying 2 toddlers -- toppled into the pool.
More:Reality Television Alexis Bellino Pool Accident Television Reality TV The Real Housewives Of Orange Country
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