Venezuela quells attack on military base, two killed

By Girish Gupta and Alexandra UlmerVALENCIA/CARACAS, Venezuela (Reuters) - Venezuelan authorities quelled an attack on a military base near the city of Valencia by soldiers and armed civilians on Sunday, killing two of them in a dramatic escalation of unrest in the protest-convulsed South American nation.The pre-dawn raid coincided with a video circulated on social media showing more than a dozen men in military uniform announcing an uprising to restore constitutional order following the creatio