UPDATE 7/20/17: The two teens were found safe early Thursday morning. Read the updated story here.
Two teenagers went missing today in Boyle Heights and are believed to be together, but their families are concerned for their safety.
Police identified them as 14-year-old Adrian Gonzalez and 15-year-old Jaylin Mazariegos.
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No one saw either teen leave home, according to the Los Angeles Police Department.
Jaylin was last seen about 6:15 a.m. in the 2600 block of Alcazar Street, police said.
"When her mother returned later in the day, she discovered that Jaylin, some clothing and her black BMX bike were missing," according to a police statement.
Adrian was last seen about 7:30 a.m. in the 1300 block of De Neve Lane, police said.
"His mother returned later in the day and discovered that Adrian was missing along with some clothing and his red and black bicycle," according to the LAPD.
"Adrian and Jaylin are believed to be together."
"They made statements on their Instragram accounts indicating a desire to leave Los Angeles by train. They made additional statements on Instragram that have caused their families to be concerned about their state of mind and their safety."
Both children are Hispanic. Jaylin is 4 feet 11 inches tall, weighs about 95 pounds and has with purple hair and brown eyes. She may be carrying a black backpack.
Adrian is 5 feet 6 inches tall, weighs about 150 pounds and has purple hair in a Mohawk-type style.
Anyone with information regarding either teenager's whereabouts was urged to call the watch commander at the LAPD's Hollenbeck Station at (323) 342-4101.
Anonymous tips can be submitted through Crime Stoppers by calling (800) 222-TIPS.