Charmless hadronic B decays from Belle

We report Belle preliminary results of the study of B⁰ -> ηη, B⁰ -> K^-π⁺K_S⁰ and B^± -> K_S⁰K_S⁰h^± (h=K,π) based on data samples collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric energy e⁺e^- collider