At least 51 people were killed and 100 others injured early Monday in a collision between two passenger trains in southern Pakistan, officials and local media reported. The collision between the northbound and southbound trains occurred near the Ghotki district in southern Sindh province, located 526 kilometers (326 miles) from the provincial capital Karachi. Deputy Commissioner Ghotki Usman Abdullah told reporters that the accident occurred after rear carriages of the ...