A video has emerged from China of thousands of dead fish close to the site of the Tianjin explosions last week.<br /><br />Chinese authorities have denied that the deaths of fish near are linked to the chemical explosions, which killed at least 114 people. <br /><br />Forty types of chemicals were being stored at the warehouse at the centre of the explosions including ammonium nitrate and large quantities of sodium cyanide, according to authorities.<br /><br />However, Xinhua, China’s official news agency, reported no toxic levels of cyanide had been found in the river during tests on Thursday afternoon. <br /><br />The fish were found about 6km from the blast site.