UPDATE: Police search two homes in KCK looking for mass shooting suspect, but come up empty

KANSAS CITY, Kan. -- There was a heavy police presence in a Kansas City, Kansas neighborhood Tuesday afternoon as officials searched two homes.

FBI and KCK police's tactical team surrounded a home near 14th Street and Riverview Avenue.

Sources tell FOX4 they believed the second suspect in this weekend's mass shooting in KCK, 29-year-old Hugo Villanueva-Morales, might have been in the home. They were acting on a tip officials received.

Some people came out of the home, and officials evacuated part of the neighborhood. Family members of the suspect were on scene.

After determining Villanueva-Morales was not in the first home, officials began searching a second home not far away, near Central Avenue and N. Valley Street. That search also came up empty.

The area is less than a mile from Tequila KC, the KCK bar where four people were shot and killed and five others were injured early Sunday.

One of the suspect in the mass shooting, 23-year-old Javier Alatorre, was arrested late Sunday. Villanueva-Morales is still at large and considered armed and dangerous.

Both have been charged with four counts of first-degree murder, and their bonds have been set at $1 million each.

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