Nairobi, Kenya (CNN) — Several gunmen remain inside a besieged mall in Nairobi, Kenya, two senior officials said, as a deadly standoff between Kenyan forces and terrorists stretches into a fourth day.

Kenya’s Interior Ministry tweeted late Monday that authorities were in control of the Westgate Shopping Mall — the latest in a series of social media posts from officials reassuring a nervous public that there was little chance of escape for any surviving Al-Shabaab gunmen who had terrorized the mall, killing at least 62 people.

“Taken control of all the floors. We’re not here to feed the attackers with pastries but to finish and punish them,” Kenyan police Inspector General David Kimaiyo said on Twitter.

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