  The $K^{+} \to \pi^{+}\pi^{0}\pi^{0}\gamma$ decay is observed by the OKA
collaboration. The branching ratio is measured to be $(4.1 \pm 0.9(stat) \pm
0.4(syst))\times 10^{-6}$. The branching ratio and $\gamma$ energy spectrum are
consistent with ChPT prediction.
