KATIHAR, Sept. 7 -- Three people, including two brothers, were killed and one person was injured after being struck by lightning in Bihar's Katihar district on Saturday afternoon, officials said. The incident occurred when the victims were grazing their cattle in a field at Tingharia village under Kursela police station limits. The deceased were identified as Gopi Prasad Mandal (70), his brother Dheer Narayan Mandal (68), and Akhilesh Mandal (55), all residents of Tingharia. Police said the injured person is undergoing treatment at Katihar district hospital, where his condition is stated to be critical. The bodies of the deceased have been sent for post-mortem. Meanwhile, in a press note issued from the chief minister's office, CM Nitish Kumar expressed grief over the incident and directed authorities to provide an ex-gratia of Rs.4 lakh each to the bereaved families. He also urged people to exercise caution and avoid venturing outdoors during adverse weather conditions....