Mr Jibril said the government had been in touch with the International Criminal Court and had forwarded a post mortem examination report to investigators.

In a rare case of cross-pollination, on Tuesday, Alqassam, which has 40,000 followers on Twitter, forwarded a post from the Israeli military that reported that five soldiers had been wounded by a missile fired from Gaza.

They had summoned Wang on a charge of "suspicion of causing a disturbance" for forwarding a post about a stranded grandmother holding her grandson who had starved to death in the eastern city of Yuyao, which was hit by floods two weeks ago.