A 40-year-old man and his teenage nephew were killed, while his 10-year-old son was injured after two armed assailants opened fire outside their home in the Farsh Bazar area of Shahdara, Delhi, on Thursday, according to authorities. The victims, identified as Akash Sharma, also known as Chottu, and his 16-year-old nephew Rishabh Sharma, were celebrating.