Complex sentence: His appeal was rejected in December 2015, and he was hanged on 29 February 2016 around 4:30 a.m. at Adiala Jail in Rawalpindi.
Split into simpler sentences: His appeal was rejected in December 2015. And he was hanged on 29 February 2016 around 4:30 a.m. at Adiala Jail in Rawalpindi.