Tumakuru, April 24 -- A sensational claim of "black magic" targeting Chief Minister Siddaramaiah, coupled with fresh buzz over a possible leadership change, triggered a political storm in Karnataka on Friday.

BJP MLA B. Suresh Gowda, speaking to reporters here, alleged that the Chief Minister has become "very weak" and controversially suggested that "someone had performed black magic" on him.

The remark, unusual in political discourse, quickly drew sharp attention and is expected to provoke strong reactions from the ruling establishment.

Linking his claims to the ongoing speculation over leadership dynamics, Gowda said developments in the state had "already been decided," while referring to statements attributed to Minister K N Rajanna....