Professor Anu Muhammad at Square hospital being visited by leader of the opposition Khaleda Zia. At least 22 people, including professor Anu Muhammad, were injured on Wednesday in Dhaka 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. Dhaka. Bangladesh. 2nd September 2009.