ROHTAK, May 14 -- A three-year-old boy died while his mother and two sisters remain in critical condition after allegedly consuming poison in a locality in Kharkhoda of Sonepat district, police said on Wednesday. Police said the woman allegedly gave a poisonous substance to her 13-year-old and 7-year-old daughters and her three-year-old son before consuming it herself. All four were rushed to a hospital, where the boy was declared dead. The woman and her two daughters were referred to a hospital in Delhi. According to police, the 32-year-old woman had earlier accused a man from her family of harassment and intimidation. In her complaint, she alleged that the accused had been threatening her and her children for some time. Police said a case had already been registered against the accused based on her complaint. Family members told investigators that she had been under severe mental stress in recent months. A 14-year-old junior wrestler allegedly died by suicide after shooting himself with his father's licensed revolver at their residence in Rohtak on Monday. Police said the victim, a Class 8 student who was actively training for wrestling competitions, was found dead by his family in the storeroom of their house. Family members reported rushing to the room after hearing a gunshot, where they found the boy with a fatal head wound. He was rushed to a nearby hospital but was declared brought dead on arrival....