Leader of the opposition Khaleda Zia visits leading economist and environmental activist Professor Anu Muhammad who was beaten by police while leading a group of protestors to Petrobangla building. At least 22 people, including professor Anu Muhammad, were injured as police clubbed activists of the National Committee to Protect Oil, Gas, Mineral Resources, Power and Ports attempting to besiege Petrobangla headquarters over recent exploration deals with international companies