New Delhi, Sept. 3 -- The Yamuna breached the 206-metre mark in Delhi for the first time this monsoon on Tuesday evening, forcing authorities to evacuate over 10,000 people from low-lying areas and triggering emergency measures across the capital and the wider National Capital Region (NCR). The river, swollen by heavy rains upstream and large releases from the Hathnikund barrage, showed no signs of abating, raising fears of another spell of urban flooding. At 8pm on Tuesday, the water level at the Old Railway Bridge - which is representative of the city - stood at 206.3 metres, according to the Central Water Commission (CWC). The agency forecast the river to touch 206.9 metres by 7am on Wednesday, but warned that it will continue to rise, w...