Varanasi (UP), May 16 (ANI): Samajwadi Party (SP) workers on Wednesday staged protest 'Dhikkar Sabha' against Uttar Pradesh Chief Minister Yogi Adityanath-led government, over its negligence towards Varanasi's under construction bridge near Cantt railway station on Tuesday. Protestors demanded high level investigation into the matter. At least 15 people dead and several others got injured after a portion of an under construction flyover collapsed. The reason behind the collapse is yet to be ascertained. The UP Government has also announced ex-gratia of Rs 5 lakh for the kin of the deceased and Rs 2 lakh for those, who got seriously injured.