In late March 1987, the Turkish survey ship Sismik was about to enter Greek waters and conduct survey. Possibly the Greek intelligence reported the intention to Prime Minister Andreas Papandreou. Papandreou gave the orders to sink the ship, if found within Greek waters. This incident nearly started a war between Greece and Turkey. A few days later there was a conflict between border patrols which left 1 Greek casualty to 2 Turkish.