Story highlights "Lakewood's doors are open," Joel Osteen tweeted

Osteen and church had come under criticism for not being open to flood victims

(CNN) The megachurch led by Joel Osteen is receiving people who need shelter and also helping evacuees with supplies such as baby food, formula and other shelter needs, the church announced via Twitter Tuesday morning.

Lakewood Church was under fire after apparently not opening up the church to flood victims. The church disputed online criticism, stating "we are prepared to shelter people once the cities and county shelters reach capacity."

"Victoria and I care deeply about our fellow Houstonians. Lakewood's doors are open and we are receiving anyone who needs shelter," Osteen tweeted Tuesday, referencing his wife who is also Lakewood's co-pastor.

On Monday, a few hundred people arrived to the church in buses, Donald Iloff, church spokesman, told CNN's Erin Burnett.

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