MOZAMBICAN President Joaquim Chissano arrived in the Portuguese capital on Tuesday at the start of a six-day state visit aimed at strengthening economic ties between Lisbon and its former colony. Chissano is scheduled to hold talks with his Portuguese counterpart, Jorge Sampaio, who met his guest on his arrival, and Prime Minister Antonio Guterres.He is also due to address the Portuguese parliament and meet members of the Mozambican community resident in Portugal.Portugal is the second leading investor in Mozambique, after South Africa.