US citizens are advised to avoid the country's embassy in Cairo after an incident was reported nearby, on Simon Bolivar Street, the US embassy said in a statement on Tuesday.
"US Citizens should/not come to the Embassy at this time," the embassy tweeted. "We are aware of a reported incident on Simon Bolivar Street in Cairo."
Security was boosted after an unidentified man reportedly tried to throw an explosive device on Tuesday outside the US embassy in Cairo. Later, the local security forces stated, as quoted by Reuters, that he was detained.
The incident has disrupted public transportation near the area, the US embassy stated.
The police have information that the detainee "professes the ideas of extremism and he planned to carry out some hostile act."
He will be prosecuted in the nearest future, the source added.