Renowned activist Boniface Mwangi has asked Kenyatta University (KU) students to disrupt a public lecture by visiting Uganda's President Yoweri Kaguta Museveni.

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The Uganda Head of State is expected to deliver a keynote speech at KU main campus along Thika Superhighway on Friday afternoon.

The public lecture, which will be held at the campus' popular amphitheatre from 3pm, has led to the cancellation of some examinations as all comrades are expected to attend the much-anticipated address.

However, Mwangi has called on the students to heckle Museveni to express anger following the imprisonment of former Makerere University researcher Stella Nyanzi.

The lecturer-cum-activist is currently in jail over her criticism of Museveni's style of leadership.

Mwangi termed the Uganda boss a dictator and asked comrades to copy local activist Benji Ndolo who attempted to disrupt his speech at the Nairobi's Intercontinental Hotel during a past occasion.

"There is one time Benji Ndolo attempted to disrupt Museveni's speech at the intercon. He succeeded for a minute before he was kicked out. He was alone. Kenyatta University has thousands of students, please boo Uganda dictator even if it's from a distance. #FreeStellaNyanzi," tweeted the former Starehe parliamentary seat aspirant.

On his part, Ndolo criticised the organisers of the public lecture and accused them of treating KU as a "picnic ground" for dictators.

"Universities are hallowed grounds of intellectual discourse and rigorous interrogation of thought and policy and process. They are not urinals or picnic grounds for totalitarians and dictators. Let this message reach home and let Africa Rise! #MuseveniAtKU," the activist tweeted, Friday.