#BBCtrending: Libya's hashtag of hope
Tawfik Bensaud was 15 when he started his pro-democracy activism online in Benghazi, in the early days of Libya's 2011 revolution.
He was 18 when he was gunned down for his views.
It comes amid increased death threats online in Libya, with Facebook pages being used to name people to be targeted by Islamist militia fighters.
#BBCtrending reports on how thousands rallied behind Tawfik online after his death, amid increasing chaos and a rise of assassinations in Libya.
Reporter: Mukul Devichand
Producer: Samiha Nettikkara
Video journalist: Greg Brosnan.
All our stories are at bbc.com/trending