Government inaction caused uproar in Nigeria, resulting in marches and a "#BringBackOurGirls" hashtag trend on social media. On 4 May, President Goodluck Jonathan made his first public comments on the abduction and announced the country was seeking assistance from the United States and other world powers in tackling Nigeria's "security challenge". British and American security experts subsequently arrived on 9 May.[10] In a phone call to President Jonathan, British Prime Minister David Cameron offered the UK's support in finding the missing schoolgirls.