By Abigail O’Leary & Abigail O’Leary Japan is fighting against the clock to rescue survivors after a devastating earthquake hit, causing buildings to crumble and firing off a tsunami warning. The 7.5 magnitude quake struck on Monday, sparking fires as structures collapsed and power lines snapped. Bullet trains and flights were stopped for the day as rescuers rushed to reach the most affected places. Highways are shut and damaged phone networks have caused communications in the region to break down. This disaster has claimed eight lives so far but search operations are continuing with Japan’s P…