Dhanmondi police were also preparing to file a similar case accusing another two to three thousand AL leaders and supporters until 10:00pm, duty officer of Dhanmondi Police Station said.

Sub-inspector Shahriar Hossain of Airport Police Station filed the case at 8:00pm under the Emergency Power Rules. In the case statement, he mentioned that the AL leaders and workers gathered at the airport and brought out procession defying the state of emergency.

The police administration also came down hard on three top Uttara cops -- Deputy Commissioner Tanveer Haider, Assistant Deputy Commissioner Iqbal Hossain and Assistant Commissioner MM Salahuddin-- for 'neglect of duty' during Hasina's homecoming celebration. The three were closed to the police headquarters. Uttara zone Patrol Inspector Kamruzzaman has been suspended.

Meanwhile, AL General Secretary Abdul Jalil, presidium member Tofail Ahmed and wife of detained presidium member Kazi Zafarullah met Hasina yesterday evening amid tight security.

Police this time took three-tier security measures instead of the previous two-tier to tighten security for Hasina, also a former prime minister, on her return home.

Earlier the government withdrew Hasina's security on March 27, 12 day after she left for the USA.

Police took security control of the area yesterday morning. Three platoons of police led by three assistant commissioners have been deployed to ensure security around Sudha Sadan.

A total of 11 security checkpoints have been set up at different points on the way to Sudha Sadan. Three barricades were put within 200 yards of Hasina's residence.

Number of plain-clothes police has been increased alongside the uniformed staffs.

Talking to reporters, AL chief's personal assistant Hasan Mahmud said they have no information on whether restriction has been imposed on Hasina's movement adding the former premier is yet to chalk out any programme outside the Sudha Sadan.

Restrictions have been imposed on general people's movement on the front road of the Sudha Sadan.

Journalists were also not allowed to go near to Hasina's residence.

Police sources said they have been directed to keep under limit visitors' entrance into Sudha Sadan and its adjacent area.

Only members of the AL central working committee, advisory councils, top leaders of the front organisations, personal staffs and relatives will be allowed to visit Sudha Sadan, a police official said on condition of anonymity adding the government has directed them in this regard.

Police prevented Shafiq Ahmed Chowdhury, joint secretary of UK chapter of AL, Mezbah Uddin Siraz, general secretary of Sylhet district unit of AL, and three other leaders of the same districts, from entering Sudha Sadan.

However, some senior AL leaders including Abdur Razzak, Abdul Latif Siddique, Nuh Alam Lenin, Dipu Moni and Nazma Rahman met Hasina yesterday.