Four NSW teens charged with robbery spree

Four Sydney teenagers have been charged over several armed robberies dating from June.

Police allege the youths, aged between 16 and 17, approached at least six victims at locations in Lidcombe, Berala and Auburn, and robbed them at knifepoint.

All four youths have been charged with multiple counts of robbery in company, with two refused bail to appear at the Children's Court on October 9.

The other two have been granted conditional bail to appear at the Children's Court on November 5.