<p>Watch the dramatic moment a man tripped while boarding a moving train - and was rescued as he was dragged along the platform.<br><br>The shocking CCTV footage, filmed on March 20, shows stunned people waiting on the platform as they see the struggling man.<br><br>He can be seen being dragged along the platform by the train after slipping while attempting to board at Patiala Station in Punjab, northwest India.<br><br>But an alert security guard, Raghubeer Singh, sprung into action - and sprinted alongside the train.<br><br>He manages to rescue the passenger and then helps him up off the ground, unharmed. </p>
