Eritrean delegation to visit Ethiopia this week - Ethiopian spokesman

ADDIS ABABA (Reuters) - A delegation from Eritrea will arrive in Addis Ababa this week as Ethiopia's prime minister tries to resolve a conflict with the neighbouring nation, which used to be part of Ethiopia and waged a 30-year struggle for independence.

Ethiopian Prime Minister Abiy Ahmed, who was at a rally hit by a grenade attack on Saturday, has said that ending war and expanding economic ties is critical for stability and development in the impoverished Horn of Africa region.

"A delegation from Eritrea will arrive in Addis Ababa this week," an Ethiopian Foreign Affairs ministry spokesman said.

(Reporting by Aaron Maasho; Writing by Costas Pitas; Editing by Alison Williams)