Ethiopians react after an explosion during a rally in support of the new Prime Minister Abiy Ahmed in Addis Ababa, Ethiopia June 23, 2018. REUTERS/Stringer

ADDIS ABABA (Reuters) - Thirty people have now been arrested, up from six from the day before, over alleged involvement in a grenade attack at a rally in the Ethiopian capital that killed two people and left more than 150 people wounded, police said on Sunday.

“The number of suspects in custody for involvement in the attack in Meskel Square has now reached 30,” Zeinu Jemal, head of the Federal Police Commission, told state-owned Ethiopian Broadcasting Corporation. Zeinu did not give further details.