Hyderabad, April 12 -- A senior advocate of the Andhra Pradesh high court was killed when a concrete mixer truck fell onto the BMW car which he was travelling in at the Keesara toll plaza in Kanchikacharla block of NTR district on Saturday evening, police said. The accident occurred around 4.20 pm on the Hyderabad-Vijayawada highway when a ready-mix concrete tanker lost control near the toll plaza and fell sideways onto a red BMW, flattening the luxury vehicle. The deceased, identified as B Srinivas Rao, was returning to Hyderabad after participating in Bar Council elections in Amaravati. "His body was retrieved using heavy machinery and sent for post-mortem examination," Vijayawada police commissioner S V Rajasekhar Babu told reporters. Preliminary probe suggests the tanker, which was carrying ready-mix concrete, lost control due to a suspected brake failure while turning near the toll plaza. The BMW was crossing the toll gate when the truck toppled onto it....