A Palestinian protester uses a slingshot to throw back a tear gas canister fired by Israeli troops during clashes on the Gaza-Israel border, east of al-Bureij refugee camp in central Gaza Strip, Nov. 1, 2019. Dozens of Palestinian demonstrators were injured on Friday during clashes in eastern Gaza Strip with Israeli soldiers stationed on the border, eyewitnesses and field paramedics said. (Photo by Yasser Qudih/Xinhua)?