Senior BJP leader V Somanna, who is set to take on Congress veteran Siddaramaiah in the May 10 Assembly polls in Karnataka, faced embarrassment on the campaign trail today. Mr Somanna was canvassing in Varuna constituency in Mysuru district when a group of people surrounded him and questioned him over the lack of development in the region. The senior party leader, who served as housing and infrastructure development minister is the outgoing cabinet, was also the minister in-charge of Mysuru district.