Two express trains collided in southern Pakistan on Monday, killing at least 40 people and injuring over 100 others, according to local media reports.Authorities said the accident happened early Monday near Dharki in Ghotki district in southern Sindh Province, the reports said.Some passengers remain trapped inside the trains, and rescue efforts are under way. But they are progressing slowly due to a shortage of heavy machinery in the remote town, according to the reports.A Millat Express train traveling from Karachi to Sargodha is believed to have derailed, ending up on the track on which a…READ FULL ARTICLE