Five terrorists were killed in gunfights with security forces in Pakistan's Sindh and Punjab provinces, police said on Tuesday.Two terrorists were killed in a gunbattle on a highway near New Sabzi Mandi in Karachi and three were killed in an exchange of fire in Punjab province's Quaidabad city, reported Geo News.Arms and a motorbike were also recovered from the terrorists in Karachi.A police official added that 40 suspects have been arrested from different areas of Karachi.