Jenima Mondal kisses a photograph of her son Mamjur Ali Mondal, who died in Friday's train accident. [Rafiq Maqbool/AP Photo]
People look at the mangled coaches of the derailed trains. [Rafiq Maqbool/AP Photo]
A man tries to identify his relative by looking at the photographs. [Rafiq Maqbool/AP Photo]
A relative looks on as healthcare workers carry the body of a person who died in the accident. [Rafiq Maqbool/AP Photo]
Upendra Ram, 49, signs a document to receive the body of his son. [Rafiq Maqbool/AP Photo]
Jenima Mondal, centre, is helped by a health worker after she identified the body of her son at the All India Institute of Medical Sciences hospital in Bhubaneswar, Odisha. [Rafiq Maqbool/AP Photo]
Usman Karim, centre, whose brother-in-law died in the accident, waits with his friends to collect the body. [Rafiq Maqbool/AP Photo]
Health workers carry the body of a person who died in the accident. Friday's crash was one of the worst rail disasters in India's history. [Rafiq Maqbool/AP Photo]
Upendra Ram, 49, right, waits to receive the body of his son. [Rafiq Maqbool/AP Photo]
Investigators say a signalling failure might have led to the three-train accident on Friday in the eastern Odisha state, killing 275 people. [Rafiq Maqbool/AP Photo]