RANCHO CUCAMONGA, Calif. (KABC) -- An 18-year-old man was arrested after robbing two young sisters at their lemonade stand in Rancho Cucamonga Wednesday.The incident occurred near Mountain View Drive and Terra Vista Parkway at about 3:45 p.m.The suspect, 18-year-old Santini Tate of Riverside, approached the girls and said he had no cash, but wanted some lemonade.The girls gave Tate a free cup of lemonade and he began to walk away. Moments later, he turned around, pushed over the lemonade stand and grabbed the girls' money box.The girls' brother confronted Tate and recovered the empty money box. A sheriff's deputy responded to the area and arrested Tate within minutes. He was carrying $30 from the lemonade stand.He was booked at the West Valley Detention Center for strong-arm robbery. Authorities say he may be connected to other crimes which were committed earlier in the day.Anyone with additional information was asked to contact the Rancho Cucamonga Police Department at (909) 477-2800.