 Complete the following phrase:  Amid the Bahraini uprising, Avaaz.org called for sports boycotts, comparing the situation in Bahrain with that of apartheid South Africa. Other human rights protesters also called for a boycott of the Bahrain Grand Prix with more explicit comparisons to the sporting boycott of South Africa. On 17 February, it was announced that the second round of GP2 Asia Series, which was to be held at Bahrain International Circuit on 1719 February, had been cancelled due to security and safety concerns surrounding the protests. On 21 February, the 2011 Bahrain Grand Prix, then to take place on 13 March, was again cancelled because of the same concerns. Similarly, the 