AES, the parent company of AES Indiana, announced on Monday that it has agreed to be purchased for more than $33 billion by a group of large domestic and foreign investors — and could go private as soon as this year.

Indiana Secretary of State Diego Morales is accusing BlackRock, the world’s largest financial asset manager, of violating state law by misleading Hoosiers about its investment strategy — which BlackRock called “a politically motivated attack.”