Nigeria, Aug. 4 -- In the second week of Big Brother Naija Season 10, Thelma Lawson has emerged as the first female interim Head of House (HoH).

Thelma secured the title after winning Sunday's HoH challenge, which tested housemates' balance and coordination.

The challenge required contestants to fill a bottle with water and then complete an egg-balancing task using a spoon. In the final round, Thelma faced off against Week 1 HoH Jason Jae, eventually outpacing him to claim victory.

As Head of House, Thelma earns immunity from eviction for the week and exclusive access to the HoH lounge. She invited fellow housemate Kayikunmi to the lounge.

However, in a new twist introduced by Big Brother, Thelma will be required to defend her title d...