LOS ANGELES, Oct 22: The fourth “Paranormal Activity” fright flick crept into the No 1 spot at the weekend box office with 30.2 million dollar in US and Canadian ticket sales. Iran hostage thriller “Argo” earned 16.6 million dollar and took second place, studio estimates released yesterday showed. Two-time box office leader “Taken 2” fell to the No 4 spot with 13.4 million dollar from Friday through Sunday. (agencies)