KUALA LUMPUR: The Public Works Department (JKR) has been instructed to prepare a detailed report concerning an Indonesian worker who died in a landslide incident at the construction site of the Lingkaran Tengah Utama (LTU) Expressway in Kampung Berembang, Kuala Lipis, Pahang, on Monday (Dec 11), says Datuk Seri Alexander Nanta Linggi.