<sod >The plot to attack an Armed Forces Day parade in Merton was reportedly foiled after the would-be attackers recruited an undercover reporter from The Sun newspaper to carry it out.< eod>< sod > Police had encouraged the public to attend events as normal after a supposed plot by Islamist fighters to attack a parade in Merton was foiled when the would-be attackers recruited an undercover reporter from The Sun newspaper to carry it out.< eod>