Ten leaders and activists of Left Democratic Alliance (LDA) were injured in a clash with police at Chashara Golchattar in Narayanganj district on Monday during the half-day nationwide hartal protesting price hike of essentials. Witnesses said the leaders and activists of LDA brought out a procession from No 2 Railgate area of the city. When the procession reached near Chashara Golchattar police obstructed them and charged baton to disperse them, triggering a clash. Ten people were injured in the clash.