Armed suspect holds 7-Eleven clerk at gunpoint during overnight robbery in Duarte, police say

DUARTE, Calif. (KABC) -- An armed suspect held a convenience store clerk at gunpoint during an overnight robbery at a 7-Eleven in Duarte, authorities said.

The robbery was reported shortly after 1:30 a.m. Wednesday in the 1800 block of Huntington Drive, according to the Los Angeles County Sheriff's Department.

The suspect made off with about $300 in cash and remained at large, a sheriff's spokesperson told ABC7.

No injuries were reported.

The robber was described only as wearing a black mask and black gloves, authorities said.

Authorities on Sunday were investigating a new string of robberies at six more 7-Elevens stores across Los Angeles County.