A former senior UN aid worker believes the prostitution scandal surrounding Oxfam is a global problem.

Oxfam’s deputy chief Penny Lawrence resigned on Monday because of the charity’s failure to deal with previous allegations including those surrounding some staff engaging sex workers whilst delivering aid in the aftermath of the 2010 Haiti earthquake

Other aid agencies have confirmed reports of inappropriate sexual behaviour by workers leading to Andrew MacLeod, former chief of operations of the UN's Emergency Coordination Centre stating the current scandal was the tip of the iceberg