KLANG — A woman and her 25-year-old nephew found dead in a Semenyih home last month were confirmed to have died from suffocation using plastic bags, according to police. Selangor deputy police chief DCP Mohd Zaini Abu Hassan said post-mortems revealed the cause of death, with no arrests made yet. The case, discovered after a foul smell was reported on April 26, is being investigated as murder under Section 302 of the Penal Code.