A police chase resulted in two men being charged for illegally entering a building site.
Police were called when five men were spotted climbing over a fence to access the site in Warner Road, Walthamstow, on Sunday at around 7pm.
A police helicopter and dogs unit were scrambled to assist with the search and five men were arrested in the grounds of Stoneydown Primary School.
Safraz Hussain, 20, of Church Hill Road in Walthamstow, and Imran Molazan, 19, of New Road in Chingford, have now been charged with being "in an enclosed premises for unlawful purposes".
Two men, aged 20 and 18, were cautioned for the same offence and a 17-year old boy has been referred to a youth offending team.
Hussian and Molazan have been bailed to appear at Thames Magistrates Court on February 19.