Eight-weight boxing world champion Manny Pacquiao was quick to congratulate fellow Filipino Rogen Ladon on his victory against top seeded light flyweight Joselito Velazquez Altamirano of Mexico ©AIBA Doha 2015/Twitter

"Photo_Gallery"

Irish bantamweight Michael Conlan got the better of Brazil's Robenilson Vieira de Jesus ©AIBA/Facebook

Cuban light flyweight Joahnys Argilagos claimed a convincing points win over Spain's Samuel Carmona Heredia ©AIBA/Facebook

Russian heavyweight Evgeny Tishchenko saw off the challenge of the United States' Joshua Temple ©AIBA/Facebook

Dutch middleweight Max Van der Pas (blue) lost out on points to Egypt's Hosam Abdin (red) ©AIBA Doha 2015/Twitter

Manny Pacquiao was a special guest at the AIBA World Boxing Championships today ©AIBA/Facebook

Pacquiao was welcomed by Yousuf Ali Al-Kazim (left), President of the Qatar Boxing Federation and executive director of the Local Organising Committee, and C K Wu (right), AIBA President ©AIBA/Facebook

Pacquiao signs a pair of AIBA World Championship boxing gloves ©AIBA/Facebook

AIBA President Wu is a good friend of Pacquiao ©AIBA/Facebook

Pacquiao is planning on having his last fight in Qatar before retiring from boxing ©AIBA/Facebook