london british prime minister theresa may concern newspaper report describe culture sexual harassment among lawmakers staff work parliament spokeswoman say friday report sun newspaper follow dozens allegations hollywood producer harvey weinstein prompt hundreds thousands women around world share experience sun say friday female staff work london westminster political district create whatsapp instant message group discuss experience harassment warn others potential perpetrators name anyone connection allegations cite unnamed members group describe content purpose report concern pre-empt allegations investigations come light yet may spokeswoman say ask sun story prime minister clear respond report harvey weinstein last weeks unwanted sexual behavior completely unacceptable true walk life include politics separately group women members britain opposition labour party set website call fellow members experience sexual harassment within party rank tell stories anonymously try improve labour culture allegations may come light would take extremely seriously would advise people contact police allegation may spokeswoman say uk pm may concern report sexual harassment parliament spokeswoman