LAS VEGAS (KLAS) — A portion of the I-15 in the south Las Vegas valley is closed due to a crash Saturday evening.

According to RTC Southern Nevada, the crash occurred on the southbound lanes of the I-15 before Silverado Ranch Boulevard. The I-15 is closed at Blue Diamond, RTC said.

Drivers are advised to avoid the area and use alternate routes.

The I-15 southbound lanes are also closed at Charleston Boulevard due to a separate crash, according to RTC.