A joint team of scientists of the Sindh University and doctors of the Liaquat University of Medical and Health Sciences on Tuesday detected skin diseases among four villagers caused by consumption of arsenic-heavy underground water in Arbab Allah Bux village near Tando Allahyar. The team led by eminent scientist Prof Dr Mohammad Yar Khuhawar, project director of High-tech Research Central Laboratory of Sindh University, visited the village after tests conducted earlier confirmed high arsenic levels in underground water of the village.