Egyptian President Abdel-Fattah El-Sisi, during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah El-Sisi, right, Monday, Aug. 31, 2015 in Singapore (Al-Ahram)

Egyptian President Abdel-Fattah El-Sisi, during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah El-Sisi, right, Monday, Aug. 31, 2015 in Singapore (Al-Ahram)

Egyptian President Abdel-Fattah El-Sisi, during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah El-Sisi, right, Monday, Aug. 31, 2015 in Singapore (Al-Ahram)

Egyptian President Abdel-Fattah el-Sissi, in sunglasses at center, is accompanied by Singapore President Tony Tan, third left, as he inspects a guard of honor during a welcome ceremony at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Egyptian President Abdel-Fattah el-Sissi, in sunglasses at center, is accompanied by Singapore President Tony Tan as he inspects a guard of honor during a welcome ceremony at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Egyptian President Abdel-Fattah el-Sissi, left, meets Singapore President Tony Tan, at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Singapore Prime Minister Lee Hsien Loong, left, greets Egyptian President Abdel-Fattah el-Sissi, right, at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Singapore Prime Minister Lee Hsien Loong, left, speaks with Egyptian President Abdel-Fattah el-Sissi, right, at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Egyptian President Abdel-Fattah el-Sissi, center, is accompanied by Singapore President Tony Tan, right, ahead of a welcome ceremony at the Istana, or Presidential Palace, Monday, Aug. 31, 2015 in Singapore (AP)

Egyptian President Abdel-Fattah el-Sissi, left, signs a guestbook during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah el-Sissi, right, Monday, Aug. 31, 2015 in Singapore (AP)

Egyptian President Abdel-Fattah El-Sisi, during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah El-Sisi, right, Monday, Aug. 31, 2015 in Singapore (Al-Ahram)

Egyptian President Abdel-Fattah El-Sisi, during a ceremony at Singapore's national orchid garden to name an orchid in his honor, the Dendrobium Abdel Fattah El-Sisi, right, Monday, Aug. 31, 2015 in Singapore (Al-Ahram)