Knock knock. Who's there? It's an alligator!

Geri Staples might have been looking forward to a pleasant morning and a beautiful ahead on Tuesday. However, a repeated "aggressive" knock on her door turned her day inside out.

Following a knock on her door, Staples peeked out from her window in the door. What she saw on the other side of the door, left her completely surprised.

Right behind the door, lay an alligator approximately 10-foot-long, and to Staples it appeared to be "frustrated". 

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According to Staples, the alligator kept pounding on the door by its snout and she was afraid if it could break down the door and come inside.

The neighbours were also taken aback by what was transpiring. Corey Larkam who lived close to Staples said that the alligator was the biggest ever they had seen in the area.

News channels reported that the alligator was reported to be taking a stroll earlier on Tuesday.

The neighbours tried to remove the gator from its spot outside Staples door. But they had to call the local wildlife officials being unsuccessful in getting the alligator to move away.

Officials came and soon diffused the situation. A trapper from their team shot the alligator fatally.

Wildlife officials have said that the alligator might have been 60 years old.

In Florida, alligators become active during warmer temperatures. Florida Fish and Wildlife Conservation Commission (FWC) has warned locals to stay alert.

Less than month ago, an Indonesian woman was mauled to death by a huge pet crocodile on the island of Sulawesi, officials said Wednesday.

Deasy Tuwo, the head of a laboratory at a pearl farm in Minahasa in North Sulawesi, was killed by the 4.4-meter (14-foot) reptile last Thursday, authorities said.

The 44-year old's badly mauled body was found by colleagues the following morning, Hendrik Rundengan, from the local conservation agency, told AFP.

READ | Pet Crocodile Mauls Woman To Death In Indonesia