A man accused of being one of the ringleaders behind the Easter Sunday bomb attacks that killed more than 250 people in Sri Lanka on April 21 has been arrested, Interpol said Friday.

Ahamed Milhan Hayathu Mohamed, a 29-year-old Sri Lankan national, was arrested in the Middle East and has been extradited to Sri Lanka.

Interpol said he and four other men connected to the bombings were en route from Saudi Arabia to the Sri Lankan capital Colombo.

"The arrest and extradition of one of the key suspects in the Sri Lanka bomb attacks is an important step in the ongoing investigation, and one which Interpol is proud to have supported," Secretary General Jürgen Stock said.

Read more: Deutsche Welle