A portion of the Sattarghat Bridge on Gandak River in Gopalganj of Bihar collapsed on Wednesday, a month after it was inaugurated by Bihar CM Nitish Kumar. The bridge collapse has now triggered a political row in the state. Now, the bridge collapse has triggered a political row in Bihar with Opposition leader Tejashwi Yadav launching an attack on the Nitish Kumar government. After the issue came to light, the construction company and the government engineer who built the bridge, has also come under target. Watch video.