Armed police guard the entrance to Lizvale Farm,Navestock near Romford, as they continue to search for Francis O'Donoghue.
Scene of crime officers in white suits are working insidethe gates as police investigate the shooting of two men yesterday.
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Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.