After Belanduru now Varthur lake started foaming again following the heavy showers that lashed the Bengaluru over the weekend. After the toxic foam spilt over to the whitefield main road giving commuters a tough time negotiating traffic. The heavy winds resulted in foam getting blown from the other side of the lake and entering the road, disrupting traffic. The incident has once again raised the serious question on Siddaramaiah government's approach towards the environment. The unbearable stench emanating from the lake has only added to the woes of commuters and residents.