PH communications director Fahmi Fadzil said Ong Kian Ming's projection could encourage the coalition's candidates to step up efforts to engage with voters, especially fence-sitters.JEMPOL: Former Bangi MP Ong Kian Ming’s projection that Barisan Nasional (BN) and Perikatan Nasional (PN) can win up to 25 seats together in the Negeri Sembilan state election will motivate Pakatan Harapan to campaign harder, says PH communications director Fahmi Fad…