VIERNHEIM, June 23, 2016 (Xinhua) -- German police guard the cinema where an armed man opened fire in Viernheim, Germany, June 23, 2016. An armed man entered a cinema in the southwest German town of Viernheim Thursday, then fired in the air and launched a tear gas attack, leaving at least 25 people injured, according to local TV reports. The attacker died and the motive of the attack is not known yet, said the reports. (Xinhua/Luo Huanhuan)